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 |
|---|---|
| 77445 | UNITED TECHNOLOGIES CORPORATION DBA |
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 |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| PRMT | PRECIOUS MATERIAL | SILVER |
| CQFM | HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.360 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.372 INCHES NOMINAL |
| ADEM | WASHER THICKNESS | 0.040 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| AAJD | THREAD CLASS | 3B |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| ACTA | NUT STYLE | HEXAGON |
| AAVX | WASHER OUTSIDE DIAMETER | 0.525 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| BZRR | THREAD SERIES | UNJF |
| PMLC | PRECIOUS MATERIAL AND LOCATION | OVERALL SILVER |