| Heyco® Nylon Locknuts |
Features |
 |
 |
|
 |
| Material |
6/6 Nylon |
| Flammability |
94V-2 Standard–Consult Heyco for VO material |
| Material Temperature Index |
257°F (125°C)–Maximum temperature on the part not exceed 221°F (105°C) |
|
|
|
Heyco® Nylon Locknuts
|
Specifications
|
NPT Thread
Straight NPS Threads for use with NPT Threaded Fittings |
|
Thread
Size
|
Part No. |
Description |
Part Dimensions
|
CAD
|
|
|
A
Thickness
|
B
Wrenching Flats
|
|
Black
|
Gray
|
in.
|
mm.
|
in.
|
mm.
|
|
1/4 NPT
|
M9142
|
M9143
|
NLN 1/4 NPT
|
.265
|
6,7
|
.748
|
19,0
|
 |
|
3/8 NPT
|
8461
|
8462
|
NLN 3/8 NPT
|
.265
|
6,7
|
1.058
|
26,9
|
|
|
1/2 NPT
|
8463
|
8464
|
NLN 1/2 NPT
|
.265
|
6,7
|
1.058
|
26,9
|
|
|
3/4 NPT
|
8465
|
8466
|
NLN 3/4 NPT
|
.265
|
6,7
|
1.312
|
33,3
|
|
|
1 NPT
|
8467
|
8468
|
NLN 1 NPT
|
.265
|
6,7
|
1.605
|
40,8
|
|
|
1-1/4 NPT
|
M9144
|
M9145
|
NLN 1-1/4 NPT
|
.281
|
7,1
|
1.968
|
50,0
|
|
|
1-1/2 NPT
|
M9150
|
M9151
|
NLN 1-1/2 NPT
|
.320
|
8,1
|
2.750
|
69,9
|
|
|
2 NPT
|
M9156
|
M9157
|
NLN 2
|
NPT .375
|
9,5
|
2.856
|
72,4
|
|
Standard colors black or gray.
|
| PG Thread |
|
Thread
Size
|
Part No. |
Description |
Part Dimensions
|
CAD
|
|
|
A
Thickness
|
B
Wrenching Flats
|
|
Black
|
Gray
|
in.
|
mm.
|
in.
|
mm.
|
|
PG 7
|
3165
|
3166
|
NLN PG 7
|
.218
|
5,5
|
.750
|
19,1
|
|
|
PG 9
|
3167
|
3168
|
NLN PG 9
|
.218
|
5,5
|
.859
|
21,8
|
|
|
PG 11
|
3169
|
3170
|
NLN PG 11
|
.218
|
5,5
|
.937
|
23,8
|
|
|
PG 13.5
|
3171
|
3172
|
NLN PG 13.5
|
.250
|
6,4
|
1.062
|
27,0
|
|
|
PG 16
|
3173
|
3174
|
NLN PG 16
|
.250
|
6,4
|
1.171
|
29,7
|
|
|
PG 21
|
3175
|
3176
|
NLN PG 21
|
.281
|
7,1
|
1.406
|
35,7
|
|
|
PG 29
|
3177
|
3178
|
NLN PG 29
|
.281
|
7,1
|
1.812
|
46,0
|
|
|
PG 36
|
M9146
|
M9147
|
NLN PG 36
|
.281
|
7,1
|
2.244
|
56,9
|
|
|
PG 42
|
M9152
|
M9153
|
NLN PG 42
|
.320
|
8,1
|
2.750
|
69,9
|
|
|
PG 48
|
M9158
|
M9159
|
NLN PG 48
|
.375
|
9,5
|
2.850
|
72,4
|
|
Standard colors black or gray. |
| Metric Thread |
|
Thread
Size
|
Part No. |
Description |
Part Dimensions
|
CAD
|
|
|
A
Thickness
|
B
Wrenching Flats
|
|
Black
|
Gray
|
in.
|
mm.
|
in.
|
mm.
|
|
M12
|
M9130
|
M9131
|
NLN M12
|
.218
|
5,5
|
.750
|
19,1
|
|
|
M16
|
M9132
|
M9133
|
NLN M16
|
.218
|
5,5
|
.870
|
22,1
|
|
|
M20
|
M9134
|
M9135
|
NLN M20
|
.245
|
6,2
|
1.062
|
27,0
|
|
|
M25
|
M9136
|
M9137
|
NLN M25
|
.278
|
7,1
|
1.378
|
35,0
|
|
|
M32
|
M9138
|
M9139
|
NLN M32
|
.281
|
7,1
|
1.614
|
41,0
|
|
|
M40
|
M9140
|
M9141
|
NLN M40
|
.281
|
7,1
|
1.968
|
50,0
|
|
|
M50
|
M9148
|
M9149
|
NLN M50
|
.320
|
8,1
|
2.750
|
69,9
|
|
|
M63
|
M9154
|
M9155
|
NLN M63
|
.375
|
9,5
|
2.850
|
72,4
|
|
Standard colors black or gray. |
|
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