Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , BARREL
Definition:
A NUT OF CYLINDRICAL OR PARTLY CYLINDRICAL CROSS-SECTION WITH INTEGRAL THREADS PERPENDICULAR TO THE AXIAL CENTERLINE. ENDS MAY BE FLAT OR FLANGED. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. EXCLUDES NUT (1), SELF-LOCKING, ROUND.
CAGE Information
| Code | Company |
|---|---|
| 81755 | LOCKHEED MARTIN CORPORATION DBA LOCK |
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 |
|---|---|---|
| ACTD | NUT DIAMETER | 0.856 INCHES MINIMUM AND 0.886 INCHES MAXIMUM |
| ADEA | NUT HEIGHT | 0.737 INCHES MINIMUM AND 0.767 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE NUT |
| MATT | MATERIAL | STEEL NUT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES |
| ACTA | NUT STYLE | FLOATING SELF-LOCKING BARREL |
| ADBA | BARREL HEIGHT | 0.436 INCHES MINIMUM AND 0.456 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES SHELL |
| AAJD | THREAD CLASS | 3B |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE SHELL |
| CQFM | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM SHELL AND CHROMATE SHELL |
| ADFK | NUT COUNTERBORE DEPTH | 0.202 INCHES MINIMUM SHELL AND 0.222 INCHES MAXIMUM SHELL |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| SFTT | SURFACE TREATMENT | CADMIUM NUT |
| BZRR | THREAD SERIES | UNJF |
| MATT | MATERIAL | STEEL SHELL |
| AAWY | COUNTERBORE DIAMETER | 0.465 INCHES MINIMUM SHELL AND 0.485 INCHES MAXIMUM SHELL |
| ACVN | NUT LENGTH | 0.828 INCHES NOMINAL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |