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 |
|---|---|
| 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 |
|---|---|---|
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| ADEM | WASHER THICKNESS | 0.090 INCHES NOMINAL |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| AAVX | WASHER OUTSIDE DIAMETER | 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI4130 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AISI4340 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AISI3140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR SAE8740 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL OR STEEL COMP 3140 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8740 OVERALL |
| CQFM | HARDNESS RATING | NOT RATED |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AZKQ | TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| AAJD | THREAD CLASS | 3B |
| ABKW | OVERALL HEIGHT | 0.334 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.362 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
| CRSQ | COUNTERSINK ANGLE | ANY ACCEPTABLE NUT |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| BZRR | THREAD SERIES | UNJF |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL EXCEPT INSERT AND CHROMATE OVERALL EXCEPT INSERT |