Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , DOUBLE HEXAGON
Definition:
A NUT HAVING 12 DRIVE POINTS AND 24 SIDES. THE BEARING SURFACE MAY BE WASHER FACED. AN INTEGRAL LOCKING FEATURE IS INCORPORATED IN THE DESIGN OF THE HEAD OR IN THE THREADS.
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 |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| BZRR | THREAD SERIES | UNF |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT | MATERIAL | STEEL COMP 8630 OVERALL OR STEEL COMP 4037 OVERALL OR STEEL COMP 601 OVERALL |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| AZKQ | TEMP RATING | 500.0 DEG FAHRENHEIT NOMINAL |
| ADEA | NUT HEIGHT | 0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASDB | WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| AAJD | THREAD CLASS | 3B |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS 6280 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 6304 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |