8
7
6
5
4
3
2
1
F
.325 EXPANDED MIN
8.26
F
VIEW OF ASSEMBLY EXPANDED
.19
4.9
E
ASSY LENGTH
(SEE P/N CODE SHEET 2)
.250
6.35
E
.270 MAX
6.86 MAX
VIEW OF ASSEMBLY RELAXED
.260
6.60
COLD PLATE
D
D
SERIES 426C WEDGLOCK
ROLL PIN
REAR WEDGE
PC BOARD
RECOMMENDED GAP:
.300 [7.62] + PC BOARD THICKNESS
C
INTERMEDIATE WEDGE
C
CENTER WEDGE
B
•
•
•
•
•
•
•
FEATURES
DESIGNED FOR HEAVY SHOCK AND VIBRATION.
UNIFORM CLAMPING FORCE AND HIGH THERMAL TRANSFER.
NARROW WIDTH FOR MAXIMUM PCB COMPONENT AREA.
LOW PROFILE DESIGN ALLOWS FOR DECREASED SLOT PITCH.
CAPTIVATED REAR WEDGE.
LIGHT WEIGHT = ASSEMBLY LENGTH X .085 OZ [2.41 G] OR [.95 G/CM].
SPECIAL LENGTHS, FINISH, AND OTHER DESIGN OPTIONS AVAILABLE
UPON REQUEST.
FRONT WEDGE
MOUNTING BAR
FLAT WASHER
LOCK WASHER
B
MATERIAL
MOUNTING BAR AND WEDGES: ALUMINUM 6063-T6.
ALL OTHER HARDWARE: 18-8 STAINLESS STEEL, PASSIVATED.
A
PARTS ARE SHIPPED AS COMPLETE ASSEMBLY IN RELAXED STATE EXCEPT
FOR RIVET MOUNT OPTION.
RECOMMENDED DRIVE SCREW TORQUE IS 6 IN-LBS [68 N-CM].
DRIVE SCREW
PROPRIETARY AND CONFIDENTIAL
THE INFORMATION CONTAINED IN THIS
DRAWING IS THE SOLE PROPERTY OF
WAKEFIELD-VETTE. ANY REPRODUCTION IN
PART OR AS A WHOLE WITHOUT THE
WRITTEN PERMISSION OF WAKEFIELD-VETTE
IS PROHIBITED.
MATERIAL
FINISH
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES
TOLERANCES:
63
MACHINED SURFACES
1
ANGULAR
TWO PLACE DECIMAL
.02
THREE PLACE DECIMAL .005
INTERPRET GEOMETRIC
TOLERANCING PER: ASME Y-14.5M
NAME
DRAWN
CHECKED
APPR.
DATE
RSB
5 FEB 2013
TITLE:
THIRD ANGLE PROJECTION
WEDGELOCK DATASHEET
.260 X .250 PROFILE
DWG. NO.
A
DO NOT SCALE DRAWING
SIZE
SEE PART DETAILS
CAGE CODE
2
SEE FINISH TABLE
3
3E7UB
SCALE: NONE
C
426C-DS
1
08/13
REV
SHEET 1 OF 2
8
7
6
5
4
8
7
6
5
4
3
2
1
.33
8.4
F
[LLL] LENGTH TABLE
ASSY LENGTH [H] MTG [C] OPTION
[LLL]
X
X/2
280
0.900
0.450
330
380
430
480
530
1.400
1.900
2.400
2.900
3.400
0.700
0.950
1.200
1.450
1.700
F
4.80" LENGTH, M2 MOUNT HOLES, METRIC M2.5 SOCKET HEAD, GOLD CHEM FILM
SAME AS ABOVE PLUS CENTER MOUNTING HOLE AND LOCK PATCH OPTIONS
.225
5.72
.225
5.72
PART#1 EXAMPLE: 426C-480UMG
PART#2 EXAMPLE: 426C-480UMG-CP
E
580
3.900
1.950
OTHER LENGTHS AVAILABLE UPON
REQUEST
PART DEFINITION
(REQUIRED)
PART NUMBER CODE
426C - [LLL] [H] [D] [F] - [C] [K] [P] [V]
PART NUMBER OPTIONS
(NOT REQUIRED)
VISUALLY CONFIRMS LOCKED IN PLACE
WHEN RED SCREW HEAD IS CONCEALED
ADD 'V' FOR OPTIONAL
VISUAL INDICATOR
'V' OPTION
E
SERIES
PART NO
LENGTH
(EX. 480 = 4.80")
[H] MOUNTING TABLE
D
ADD 'P' FOR OPTIONAL
LOCK PATCH
.10
2.5
DASH NO
A
R
T
S
U
M
DESCRIPTION
NO MOUNTING HOLES
.068/.073 THRU
100 X .213
#0-80 UNF-2B THREADS
#2-56 UNC-2B THREADS
M2 X .4-6H THREADS
M2.5 X .45-6H THREADS
MOUNTING HOLE
(SEE MOUNTING TABLE)
ADD 'K' FOR OPTIONAL
CAPTIVE SCREW FEATURE
.25 MIN
6.4 MIN
NYLON PATCH PER MIL-F-18240
PROVIDES ADDITIONAL RESISTANCE
TO SHOCK AND VIBRATION
D
DRIVE SCREW
'M' FOR M2.5 HEX
'S' FOR 3/32 HEX
FINISH
(SEE FINISH TABLE)
ADD 'C' FOR OPTIONAL
CENTER MOUNTING HOLE
'P' OPTION
C
C
3/32 OR M2.5
ACROSS FLATS
CAPTIVATES SCREW BY FREE-SPINNING WHEN
WEDGELOCK IS IN RELAXED POSITION
'K' OPTION
[x] FINISH TABLE
B
DASH NO
A
C
G
B
H
N
E
T
NONE
DESCRIPTION
CHEM FILM PER MIL-DTL-5541, CLASS 1A, TYPE I (CLEAR)
CHEM FILM PER MIL-DTL-5541, CLASS 1A, TYPE I (GOLD)
BLACK ANODIZE PER MIL-A-8625, TYPE II, CLASS 2
HARD BLACK ANODIZE PER MIL-A-8625, TYPE III, CLASS 2
NICKEL PLATE PER QQ-N-290, CLASS 1, GRADE G, BRIGHT
ELECTROLESS NICKEL PER MIL-C-26074, CLASS 4, GRADE B, BRIGHT
TRIVALENT CHEM FILM PER MIL-DTL-5541, CLASS 1A, TYPE II (CLEAR), RoHS COMPLIANT
ALL THREADS ARE GAUGED PRIOR TO PLATING
X
ASSY LENGTH (L.LL)
X/2
('C' OPTION)
.19
4.9
B
.80
20.3
A
A
BOTTOM VIEW
SIZE
SCALE: NONE
8
7
6
5
4
3
2
C
426C-DS
1
DWG. NO.
08/13
REV
SHEET 2 OF 2
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