Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , ASSEMBLED WASHE
Definition:
A NUT ON WHICH HAS BEEN ASSEMBLED A NONREMOVABLE WASHER. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.
CAGE Information
| Code | Company |
|---|---|
| 27238 | BRISTOL INDUSTRIES |
Federal Supply Class
Title
NUTS AND WASHERS
Inclusions:
INCLUDES LOCKNUTS; EYE NUTS; PLAIN NUTS; CASTELLATED NUTS; WING NUTS; PLATE NUTS; PUSH ON NUTS; CONCAVE AND CONVEX WASHERS; FLAT WASHERS; KEYED WASHERS; LOCK WASHERS; SHOULDERED WASHERS; SPLIT WASHERS.
Exclusions:
EXCLUDES BEARING THRUST WASHERS (FSC 3120); SHIMS (FSC 5365); RING SPACERS (FSC 5365); PLATE SPACERS (FSC 5365); LOCK RINGS (FSC 5365).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE NUT OR MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE NUT OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE NUT |
| ADFK | NUT COUNTERBORE DEPTH | 0.087 INCHES MINIMUM NUT AND 0.097 INCHES MAXIMUM NUT |
| FEAT | SPECIAL FEATURES | ROCKWELL C SCALE 40 MIN AND ROCKWELL C SCALE 45 MAX WASHER |
| MATT | MATERIAL | STEEL WASHER |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES |
| ACTA | NUT STYLE | FLAT WITH TURNED UP EDGE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASDB | WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| AAWY | COUNTERBORE DIAMETER | 0.546 INCHES MINIMUM NUT AND 0.551 INCHES MAXIMUM NUT |
| AAJD | THREAD CLASS | 3B |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| AAVX | WASHER OUTSIDE DIAMETER | 0.860 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 4140 NUT OR STEEL COMP 4340 NUT OR STEEL COMP 8740 NUT |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.430 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| BZRR | THREAD SERIES | UNJF |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |