Amphenol
®
PT, SP, MS/PT
Proprietary/MIL-C-26482, Series 1
bayonet coupling and solder termination
Amphenol
®
solder contact miniature cylindrical connectors
meet the most critical application needs. Design versatility
combined with high reliability performance makes these
series of Miniature Cylindrical Connectors ideal for environ-
mental sealing or pressurized applications.
wall mounting
receptacle
The MS/PT Series is qualified to MIL-C-26482, Series 1 and has
all the outstanding design characteristics and quality of the PT
Series. The SP Series is a modification of the PT, providing special
shells with a wide mounting flange for back panel mounting.
A corrosion resistant electrically conductive finish of cadmium
plate with an olive drab chromate after-treatment is used on the PT
and MS/PT. The SP is given a durable non-conductive hard anodic
“Alumilite”
®
coating which provides abrasion protection and resis-
tance to corrosion.
Shell components for these series are aluminum. The dependable
5 key/keyway polarization with bayonet lock coupling assures pos-
itive mating with no chance of cross plugging. Spring tension pro-
vided by a wave washer in the coupling nut ensures maintenance
of interfacial seal between mating halves.
Both the insert and main joint gasket are molded from resilient
neoprene. This provides excellent moisture sealing at the gasket
and superior electrical isolation of the contact in the insert.
Both pins and sockets are machined from a copper alloy and are
gold plated. This gold plating eliminates contact corrosion and
offers an indefinite shelf life. Socket contacts for these series are a
closed entry design. A breakaway style plug is available in the PT
solder series. Hermetics receptacles are available in PT and MS/
PT solder series. Receptacles with printed circuit board contacts
are also available.
PT Solder is UL recognized under file #E115497, Vol. 1, Sec. 5.
The PT, SP and MS/PT Series are intermateable and intermount-
able with all existing Miniature Cylindrical Series connectors
except for the threaded coupling PC Series.
Refer to pages 4-11 for insert arrangement availability.
cable connecting
receptacle*
box mounting
receptacle
straight plug
jam nut
receptacle
PT, SP, MS/PT
CONTACT DATA/CONNECTOR RATINGS
Contact Specifications
Contact
Size
Test
Current
Maximum
Millivolt Drop†
Solder Well
Diameter
Solder Well
Depth
thru bulkhead
receptacle
20
16
12
7.5
13.0
23.0
55
50
42
Service Rating
.046
.078
+.004
–.000
.125
.188
+.031
–.000
+.005
–.003
+.004
.116 –.002
+.031
–.000
+.031
.188 –.000
breakaway
twist pull
plug
Service
Rating
Recommended
Operating
AC Voltage
at Sea Level
Test Voltage AC (RMS), 60 cps
Sea
Level
50,000
ft.
70,000
ft.
110,000
ft.
I
II
600
1,000
1,500
2,300
500
750
375
500
200
200
12
† Silver plated wire per MIL-C-26482
* This connector style is sometimes referred to as a cable connecting
“plug.” It does, however, mate with a straight or 90 degree plug.
PT, SP Service Classes
PT and SP connectors are available in the service
classes listed below. Each class, with the exception of
hermetic, offers one or more means of terminating or
supporting a cable or wire bundle. Class “W” is not
available in the SP Series.
“A”
General duty; back shell is threaded for con-
duit attachment of MS3057 cable clamp
“A” (SR) General duty, with strain relief clamp for
cable or wire bundle support
“C”
Pressurized receptacle; less than 1 cu. in.
per hour leakage at 30 psi over a tempera-
ture range of –65°F to +257°F
Environmental resistant connectors - sup-
plied with a multi-holed grommet and clamp-
ing nut for moisture-proofing individual open
wires
“E” (SR),
MS / “F”
strain relief
PT, SP, MS/PT
BAYONET COUPLING
WITH SOLDER CONTACTS
“A”
general duty
“E”
“E” (SR) Environmental resistant strain relief clamp
and grommet for moisture proofing individual
wires; provides added wire bundle support
“J”
“P”
Same as “W” class except with strain relief
Translucent nylon boot for retaining cus-
tomer-applied potting compounds; held in
place by a threaded ring
“P” (SR) Strain relief clamp suitable for retaining cus-
tomer applied potting compounds, with pro-
vision for wire support
“W”
Compressing clamp and neoprene gland for
moisture proofing multi-conductor jacketed
cables. Telescoping sleeves (MS 3420A)
can be used to adapt to cables smaller than
minimum close-down.
Hermetically sealed with compression glass
inserts (see pages 22-25)
“E”,
MS / “E”
open wire seal
“H”*
Style with printed circuit board contacts- see page 20.
Breakaway style - see page 26.
“P”,
MS / “P”
potting boot
MS/PT Service Classes
The MS/PT Miniature connector is available in the fol-
lowing certified service classes:
“E”
Environmental resistant connectors - sup-
plied with a multi-holed grommet and clamp-
ing nut for moisture-proofing individual open
wires
“F”
“P”
Grommet seal with strain relief clamp
Translucent nylon boot for retaining cus-
tomer-applied potting compounds; held in
place by a threaded ring
“W”
cable seal
13
PT00 (MS3110)
SP00
wall mounting receptacle
(TP)
S
R
PT
.120 ± .005 Dia.
(.147 ± .005 Dia., size 24)
SP
.150 ± .005 Dia.
(TP)
L
M
Q
R S
4 Holes
A
“W” Cable Seal
K
TERMINATION ASSEMBLIES
“A” General Duty/
“C” Pressurized“
“A” (SR), “E” (SR), “P” (SR),
MS / “F” Strain Relief
“E” Open Wire Seal
Z
“P” Potting Boot
L
L
V
L
L
L
N
D
PT00W-XX-XXX
N
D
N
GDH
N
N
D
“J” Cable Seal
XL
.375 MIN
PT00A-XX-XXX
SP00A-XX-XXX
PT00C-XX-XXX
C
PT00E-XX-XXX
SP00E-XX-XXX
MS3110E-XX-XXX
PT00P-XX-XXX
SP00P-XX-XXX
MS3110P-XX-XXX
PT00A-XX-XXX (SR)
SP00A-XX-XXX (SR)
PT00E-XX-XXX (SR)
SP00E-XX-XXX (SR)
PT00P-XX-XXX (SR)
SP00P-XX-XXX (SR)
MS3110F-XX-XXX
To complete part number see how to order on page 27.
■
(MMC) located within .0025 of (TP)
Receptacle Front View
R
S
(TP)
Max.
PT
SP
PT
SP
N
D
PT00J-XX-XXX
MS3110J-XX-XXX
Receptacle Side View
M +.010
Q
–.000
L
Thread
Max.
Class 2A
PT
SP
Class “A”, “C”
Z
Max.
PT
SP
D
Min.
L
Max.
N
Max.
V
Thread
Class A
Shell
Size
A
+.001
–.005
K +.020
–.010
PT
SP
6
8
10
12
14
16
18
20
22
24
.469
.594
.719
.812
.906
.969
1.062
1.156
1.250
1.375
.641
.734
.812
.938
1.031
1.125
1.203
1.297
1.375
1.500
.688
.812
.938
1.031
1.125
1.219
1.312
1.438
1.562
1.688
.953
1.047
1.125
1.250
1.344
1.438
1.516
1.672
1.750
1.875
.348
.473
.590
.750
.875
1.000
1.125
1.250
1.375
1.500
.493
.493
.493
.493
.493
.493
.493
.650
.650
.683
.524 .906
.524 .906
.524 .906
.524 .906
.524 .906
.524 .906
.524 .906
.650 1.125
.650 1.125
.683 1.188
.431
.431
.431
.431
.431
.431
.431
.556
.556
.589
.462
.462
.462
.462
.462
.462
.462
.556
.556
.589
.3125-32 NEF
.4375-28 UNEF
.5625-24 NEF
.6875-24 NEF
.8125-20 UNEF
.9375-20 UNEF
1.0625-18 NEF
1.1875-18 NEF
1.3125-18 NEF
1.4375-18 NEF
.468
.468
.468
.468
.468
.468
.531
.531
.531
.498
.438 .175 1.553 .462
.438 .297 1.553 .590
.438 .421 1.553 .717
.438 .546 1.553 .834
.438 .663 1.553 .970
.438 .787 1.553 1.088
.438 .879 1.553 1.216
.531 1.014 1.703 1.332
.531 1.134 1.703 1.460
.498 1.259 1.765 1.585
.3750-32 NEF
.5000-28 UNEF
.6250-24 NEF
.7500-20 UNEF
.8750-20 UNEF
1.0000-20 UNEF
1.1875-18 NEF
1.1875-18 NEF
1.4375-18 NEF
1.4375-18 NEF
Class “A” (SR), “E” (SR), “P” (SR), MS / “F”
Shell
C
Size Thread
D
Min.
G
Max.
H
Max.
L
Max.
N
Max.
Class “E”, MS / “E”
L
Max.
N
Max.
Class “P”, MS / “P”
D
Min.
L
Max.
N
Max.
D
Closed
Free
Class “W”, “J”
L
Max.
N
Max.
XL
Max.
6
8
10
12
14
16
18
20
22
24
–
6-32
6-32
6-32
6-32
6-32
8-32
8-32
8-32
8-32
–
.240
.302
.428
.552
.615
.740
.740
.928
.990
–
.125
.188
.312
.375
.500
.625
.625
.750
.800
–
.812
.875
1.000
1.125
1.188
1.438
1.438
1.625
1.719
–
1.922
1.922
1.922
1.922
2.047
2.078
2.344
2.344
2.406
–
.550
.675
.803
.920
1.047
1.165
1.290
1.418
1.543
1.266
1.266
1.266
1.266
1.266
1.266
1.266
1.516
1.516
1.578
.440
.560
.685
.813
.930
1.057
1.175
1.301
1.430
1.555
.192
.317
.434
.548
.673
.798
.899
1.024
1.149
1.274
1.438
1.438
1.438
1.438
1.438
1.438
1.438
1.656
1.656
1.717
.484
.608
.734
.858
.984
1.110
1.234
1.360
1.484
1.610
–
.168
.205
.338
.416
.550
.600
.635
.670
.740
–
.230
.312
.442
.539
.616
.672
.747
.846
.894
–
1.705
1.705
1.848
2.040
2.256
2.486
2.922
3.086
3.310
–
.547
.675
.812
.940
1.067
1.194
1.322
1.449
1.576
–
2.271
2.271
2.411
2.599
2.943
3.172
3.610
3.766
3.985
All dimensions for reference only.
14
PT, SP, MS/PT
how to order
PT, SP
To more easily illustrate ordering procedure, part number PT00A-20-41PW(SR) is
shown as follows:
PT
00
A - 20 - 41
P
W
(SR)
1
2
3
4
5
6
7
8
MS/PT
MIL-C-26482, Series 1
Part number MS3110E20-41PW is shown as follows:
MS
311
0
E
20 - 41
P
W
1
2
3
4
5
6
7
8
HOW TO ORDER
PT, SP, MS/PT
See code below:
1. Connector Type
“PT” designates standard olive drab, electrically conductive cadmium plate
bayonet lock connector with solder contacts
“SP” designates electrically non-conductive, hard anodic coated bayonet lock
connector with solder contacts and larger flange and mounting holes for
back panel mounting
“PTG” designates plug with grounding fingers
2. Shell Style
“00”
designates wall mounting receptacle
“01”
designates cable connecting receptacle**
“02”
designates box mounting receptacle
“06”
designates straight plug
“07”
designates jam nut receptacle
“08”
designates 90 degree plug cable support
“B”
designates thru bulkhead receptacle (pressurized)
designates solder mount receptacle (Hermetic only)
“
I
”
3. Service Classes
“A”
designates general duty back shell
“C”
designates pressurized receptacle
“E”
designates environmental resisting open wire seal with grommet and nut
“J”
designates clamp assembly for moisture proofing multi-jacketed cables,
with strain relief
“P”
designates assembly with potting boot
W”
designates clamp assembly for moisture proofing multi-jacketed cables
“H”
designates hermetic* without interfacial seal
“Y”
designates hermetic* with interfacial seal
4. Shell Size
“20” designates shell size. Shell sizes 6 through 24 available.
5. Insert Arrangement - Refer to pages 4-11 for insert availability.
“20 - 41” designates insert arrangement. (The number following the hyphen is
the number only that is used in the part number).
6. Contacts
“P” designates pin contacts
“S” designates socket contacts
For ordering connectors with printed circuit board contacts, see pg. 20.
7. Insert Rotation - Refer to page 7.
“W”, “X”, “Y”, “Z” designate that insert is rotated in its shell from “normal position.
No letter required for normal (no rotation) position.
8. “SR” designates a strain relief clamp.
Indicate optional finishes as follows:
(003) olive drab cadmium plate (standard on “PT”)
(005) anodic coating - Alumilite
®
(standard on “SP”)
(014) olive drab cadmium plate over nickel
(023) electroless nickel
(024) olive drab zinc cobalt plating
(424) electroless nickel finish with strain relief
(466) olive drab zinc cobalt plating with strain relief
(100) Suffix added for flat eyelet pin contacts in hermetic versions
OR
pheno
l
Am
RoHS Compliant finish suffix as follow:
oHS
(025) non-conductive black zinc cobalt plating
R
(027) conductive black zinc cobalt plating
U
E
/2
002
/
95
/
(470) non-conductive black zinc cobalt plating
with strain relief
27
(476) conductive black zinc cobalt plating with strain relief
C
E
For Hermetic connectors part number
MS3113H20Y41PW is shown as follows:
MS
311
3
H
20 Y 41
1
2
3
4
5, 6
P
7
W
8
See code below:
1. “MS” designates Military Standard
2. Specification Number
“311” designates basic family number for MIL-C-
26482, Series 1 solder type
3. Shell Style
“0” designates wall mounting receptacle
“1” designates cable connecting receptacle**
“2” designates box mounting receptacle
“3” designates solder mount receptacle (hermetic
only)
“4” designates jam nut receptacle
“6” designates straight plug
4. Service Class
“E” designates environmental resisting connector
“F” designates environmental resisting connectors
with strain relief
“J” designates clamp assembly for moisture proofing
multi-jacketed cables, with strain relief
“P” designates potted type with potting boot
“H” designates hermetic
5. Shell Size
“20” designates shell size. Shell sizes 8 through 24
available.
6. Insert Arrangement - Refer to pages 4-11 for insert
availability.
“20 - 41” designates arrangement. (The number fol-
lowing the hyphen is the number only that is used in
the part number).
Hermetic version
“20Y41” designates insert arrangement; specify “Y”
for flat eyelet pin contacts, or “C” for solder cup pin
contacts
7. Contact Configuration
“P” designates pin contacts
“S” designates socket contacts
8. Insert Rotation- Refer to page 7.
“W”, “X”, “Y”, “Z” designate that insert is rotated in it
shell from “normal” position. No letter require fo nor-
mal (no rotation) position.
* Hermetic connectors are supplied with tin plated shells.
** This connector style is sometimes referred to as a cable connect-
ing “plug”. It does, however, mate with either a straight or 90
degree plug.
For ordering Miniature Breakaway PT Solder connec-
tors see pg. 26.
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