Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , EXTENDED WASHER
Definition:
A NUT HAVING 6 FLAT SIDES AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE FLATS OR PERIPHERY. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.
CAGE Information
| Code | Company |
|---|---|
| 15653 | ALCOA GLOBAL FASTENERS INC. |
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 |
|---|---|---|
| ADEM | WASHER THICKNESS | ANY ACCEPTABLE |
| AAVX | WASHER OUTSIDE DIAMETER | 0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| ADFK | NUT COUNTERBORE DEPTH | 0.107 INCHES MINIMUM NUT AND 0.117 INCHES MAXIMUM NUT |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| ASDB | WIDTH ACROSS FLATS | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| AAWY | COUNTERBORE DIAMETER | 0.284 INCHES MINIMUM NUT AND 0.288 INCHES MAXIMUM NUT |
| CQFM | HARDNESS RATING | NOT RATED |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABKW | OVERALL HEIGHT | 0.340 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| ACTA | NUT STYLE | HEXAGON |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9,TEMPER T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-B-430,TEMPER T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | ALUMINUM ALLOY 7075 OVERALL |
| BZRR | THREAD SERIES | UNJF |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |