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 |
|---|---|
| 62554 | ALCOA GLOBAL FASTENERS INC. DBA SIMM |
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 |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.292 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.292 INCHES MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| PRMT | PRECIOUS MATERIAL | SILVER |
| ADEM | WASHER THICKNESS | 0.033 INCHES MINIMUM |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| ASDB | WIDTH ACROSS FLATS | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AAVX | WASHER OUTSIDE DIAMETER | 0.409 INCHES MAXIMUM |
| PMLC | PRECIOUS MATERIAL AND LOCATION | EXTERNAL SURFACE SILVER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NICKEL ALLOY WAS PALOY,FSCM 80539 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQFM | HARDNESS RATING | 44.0 ROCKWELL C NOMINAL |
| AAJD | THREAD CLASS | 3B |
| ABAJ | LUBRICATION | SOLUBLE LUBRICANT |
| AZKQ | TEMP RATING | 1400.0 DEG FAHRENHEIT NOMINAL |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| BZRR | THREAD SERIES | UNJF |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |