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 |
|---|---|
| 27238 | BRISTOL INDUSTRIES |
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 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AZKQ | TEMP RATING | 550.0 DEG FAHRENHEIT NOMINAL |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| ASDB | WIDTH ACROSS FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | NOT RATED |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| FEAT | SPECIAL FEATURES | CHROMIC ACID DIPPED |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAJD | THREAD CLASS | 3B |
| ADEM | WASHER THICKNESS | 0.070 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.314 INCHES MINIMUM AND 0.329 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1137 OVERALL |
| AGAV | END ITEM IDENTIFICATION | W/S: AIRCRAFT, (AC-130H, MC-130H, EC-130E, HC-130); ENGINE, AIRCRAFT TF33-PW-102 (C-135E, EC-135H/K/P); ENGINE, AIRCRAFT TF33-P-3/5/9 (C/EC-135, B-52H); ENGINE, AIRCRAFT, TF33-100 (E3A/B/C); JOINT STARS TARGET RADAR SYSTEM; AIRCRAFT, STRATOFORTRESS B-52; ENGINE, AIRCRAFT, TF-33-P-7 (C-141A/B); AIRCRAFT, B-2 BOMBER (ATB); ENGINE, AIRCRAFT, F100-PW-200 (F-16A/B/C/D) |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI1137 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| BZRR | THREAD SERIES | UNJF |
| AAVX | WASHER OUTSIDE DIAMETER | 0.443 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |