“Stay Connected”
with
®
Liquid Tight Conduit, Tubing & Fittings
Heyco Metal Locknuts
®
NPT Thread–Straight
NPS Threads for use with NPT Threaded Fittings
•
DFARS Compliant
TRADE
STAMPED STEEL
EXTRUDED**
NEW!
SIZE
PART NO.
DESCRIPTION
PART NO. DESCRIPTION
1/4
2238
LN 1/4*
–
–
3/8
2242
LN 3/8*
–
–
1/2
2250
LN 1/2
2250EX
LN 1/2 EXT
3/4
2251
LN 3/4
2251EX
LN 3/4 EXT
1
2252
LN 1
2252EX
LN 1 EXT
1-1/4
9806
LN 1-1/4
–
–
1-1/2
9807
LN 1-1/2
–
–
2
9808
LN 2
–
–
2-1/2
9809
LN 2-1/2
–
–
3
9810
LN 3
–
–
*Wrenching flats are not crenellated
**Features wider thread engagement area than standard Stamped Steel locknuts
ZINC DIE-CAST
PART NO. DESCRIPTION
–
–
–
–
9800
LN 1/2 DC
9801
LN 3/4 DC
9802
LN 1 DC
9803
LN 1-1/4 DC
9804
LN 1-1/2 DC
9805
LN 2 DC
–
–
–
–
Stamped Steel Nut
Extruded Nut
PG Thread–Nickel-Plated
Brass
THREAD TYPE
AND SIZE
PART NO.
DESCRIPTION
PART DIMENSIONS
A
B
Thickness
Wrenching Flats
in.
mm.
in.
mm.
Zinc Die-cast Nut
PG 7
PG 9
PG 11
PG 13.5
PG 16
PG 21
PG 29
PG 36
PG 42
2257
2258
2259
2260
2261
2262
2263
2268
2269
Brass LN PG 7
Brass LN PG 9
Brass LN PG 11
Brass LN PG 13
Brass LN PG 16
Brass LN PG 21
Brass LN PG 29
Brass LN PG 36
Brass LN PG 42
.110
.110
.118
.118
.118
.138
.158
.197
.197
2,8
2,8
3,0
3,0
3,0
3,5
4,0
5,0
5,0
.591
.709
.827
.906
1.024
1.261
1.615
2.009
2.364
15,0
18,0
21,0
23,0
26,0
32,0
41,0
51,0
60,0
Metric Thread–Nickel-Plated
Brass
THREAD TYPE
AND SIZE
PART NO.
DESCRIPTION
PART DIMENSIONS
A
B
Thickness
Wrenching Flats
in.
mm.
in.
mm.
Nickel-Plated Brass
M6 x 1
M8 x 1,25
M10 x 1,5
M12 x 1,5
M16 x 1,5
M20 x 1,5
M25 x 1,5
M32 x 1,5
M40 x 1,5
M50 x 1,5
2243
2244
2245
2246
2247
2248
2249
2253
2254
2255
Brass LN M6
Brass LN M8
Brass LN M10
Brass LN M12
Brass LN M16
Brass LN M20
Brass LN M25
Brass LN M32
Brass LN M40
Brass LN M50
A
B
.110
.110
.110
.118
.118
.138
.138
.177
.177
.217
2,8
2,8
2,8
3,0
3,0
3,5
3,5
4,5
4,5
5,5
.354
.433
.512
.591
.748
.945
1.181
1.417
1.811
2.165
9,0
11,0
13,0
15,0
19,0
24,0
30,0
36,0
46,0
55,0
2-17
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