Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , HEXAGON
Definition:
A NUT HAVING A FLAT BOTTOM AND 6 SIDES. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. EXCLUDES NUT (1), SELF-LOCKING, CAP.
CAGE Information
| Code | Company |
|---|---|
| 81349 | MILITARY SPECIFICATIONS PROMULGATED |
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 |
|---|---|---|
| CSXL | BEARING SURFACE FINISH | 125.0 MICROINCHES |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| BZRR | THREAD SERIES | UNF |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL EXCEPT INSERT |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| ADEA | NUT HEIGHT | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| 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 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| ACTA | NUT STYLE | HEXAGON |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ASDB | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 2B |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT OR QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT OR QQ-A-225/10 FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT |
| MATT | MATERIAL | ALUMINUM ALLOY 2017 OVERALL EXCEPT INSERT OR ALUMINUM ALLOY 2024 OVERALL EXCEPT INSERT OR ALUMINUM ALLOY 6061 OVERALL EXCEPT INSERT OR ALUMINUM ALLOY 6262 OVERALL EXCEPT INSERT |