|
|
| Nylon
- Insert Lock Nuts |
MIL-N-25027/1 |
|
Nut,
Self-Locking, Hexagon, Heavy
|
NU
Series |
| DASH# |
GREER
PART# |
THREAD
MIL-S-8879 |
A |
B |
L |
C |
F |
| MAX |
MIN |
MAX |
MIN |
REF |
MIN |
MIN |
| 4C |
NU-420 |
.2500-20
UNJC-3B |
.390 |
.360 |
.504 |
.492 |
.230 |
.552 |
.290 |
| 5C |
NU-518 |
.3125-18
UNJC-3B |
.453 |
.423 |
.566 |
.553 |
.260 |
.622 |
.335 |
| 6C |
NU-616 |
.3750-16
UNJC-3B |
.562 |
.532 |
.692 |
.679 |
.354 |
.766 |
.392 |
| 8C |
NU-813 |
.5000-13
UNJC-3B |
.718 |
.688 |
.880 |
.865 |
.482 |
.978 |
.544 |
| 10C |
NU-1011 |
.6250-11
UNJC-3B |
.874 |
.844 |
1.068 |
1.052 |
.593 |
1.191 |
.677 |
| 12C |
NU-1210 |
.7500-10
UNJC-3B |
1.015 |
.985 |
1.257 |
1.239 |
.761 |
1.403 |
.790 |
| 14C |
NU-1409 |
.8750-9UNJC-3B |
1.140 |
1.110 |
1.446 |
1.427 |
.872 |
1.615 |
.883 |
| 16C |
NU-1608 |
1.0000-8
UNJC-3B |
1.312 |
.250 |
1.634 |
1.614 |
.920 |
1.826 |
1.000 |
| 18C |
NU-1807 |
1.1250-7
UNJC-3B |
1.469 |
1.407 |
1.822 |
1.801 |
1.038 |
2.038 |
1.096 |
| 20C |
NU-2007 |
1.2500-7
UNJC-3B |
1.672 |
1.610 |
2.011 |
1.973 |
1.190 |
2.232 |
1.250 |
| 22C |
NU-2206 |
1.3750-6
UNJC-3B |
1.828 |
1.766 |
2.200 |
2.159 |
1.328 |
2.444 |
1.376 |
| 24C |
NU-2406 |
1.5000-6
UNJC-3B |
1.953 |
1.891 |
2.388 |
2.344 |
1.376 |
2.622 |
1.413 |
| 28C |
NU-2805 |
1.7500-5
UNJC-3B |
2.376 |
2.250 |
2.766 |
2.715 |
1.707 |
3.075 |
1.830 |
| 32C |
NU-3204.5 |
2.0000-4½
NC-3B |
2.469 |
2.343 |
3.142 |
3.086 |
1.816 |
3.497 |
1.75 |
| 36C |
NU-3604 |
2.2500-4½
UNC-3B |
2.876 |
2.780 |
3.518 |
3.457 |
2.073 |
3.918 |
2.063 |
| 40C |
NU-4004 |
2.5000-4
UNC-3B |
3.204 |
3.07 |
4.020 |
3.875 |
2.381 |
4.393 |
2.475 |
|
NU
Series (Cont'd)
|
DASH# |
BEARING
SURFACE SQUARENESS |
MINIMUM
AXIAL STRENGTH 1/(LB) |
|
4C |
.007 |
6,000 |
|
5C |
.007
|
8,600
|
|
6C
|
.008
|
12,700
|
|
8C
|
.009
|
24,800
|
|
10C
|
.010
|
38,300
|
|
12C
|
.010
|
54,000
|
|
14C
|
.011
|
73,000
|
|
16C
|
.012
|
95,800
|
|
18C
|
.013
|
121,100
|
|
20C
|
.014
|
146,600
|
|
22C
|
.015
|
186,000
|
|
24C
|
.016
|
200,000
|
|
28C
|
.018
|
205,000
|
|
32C
|
.020
|
233,000
|
|
36C
|
.020
|
390,000
|
|
40C
|
.020
|
500,000
|
|
| 1. |
MATERIAL:
NICKEL-COPPER-ALLOY PER QQ-N-281 |
| 2. |
FINISH:
PLAIN |
| 3. |
LOCKING INSERT: GREEN NYLON IN ACCORDANCE WITH ASTM D4066, GROUP 1
CLASS I OR II |
| 4. |
THREADS:
THREADS SHALL BE "RIGHT-HAND", UNIFIED COARSE OR UNIFIED
FINE
IN ACCORDANCE WITH H-28, CLASS 3B FIT EXCEPT THAT A MINOR
DIAMETER REQUIREMENT OF MIL-S-8879 MAY APPLY. |
| 5. |
TEMPERATURE:
250° F. |
| 6. |
PROCUREMENT
SPECIFICATION: MIL-N-25027 WHERE APPLICABLE. |
| 7. |
THREAD
SIZE ¼" AND LARGER SHALL BE MARKED USING THE SYMBOL "NICU".
|
|
