Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , EXTENDED WASHER
Definition:
A NUT HAVING 12 DRIVE POINTS, 24 SIDES, AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE POINTS OR PERIPHERY. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.
CAGE Information
| Code | Company |
|---|---|
| 81205 | THE BOEING COMPANY DBA BOEING DIV DE |
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 |
|---|---|---|
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| AAVX | WASHER OUTSIDE DIAMETER | 0.560 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | NOT RATED |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| AAWY | COUNTERBORE DIAMETER | 0.342 INCHES MINIMUM NUT AND 0.352 INCHES MAXIMUM NUT |
| ADEM | WASHER THICKNESS | 0.072 INCHES MINIMUM AND 0.087 INCHES MAXIMUM |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| MATT | MATERIAL | IRON ALLOY 660 WASHER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| BZRR | THREAD SERIES | UNJF |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| MATT | MATERIAL | IRON ALLOY 660 NUT |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| ABKW | OVERALL HEIGHT | 0.312 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |