Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , SPLINE
Definition:
A NUT HAVING AN EXTERNALLY SPLINED SLEEVE, WHICH HOLDS IT IN POSITION WHEN FORCED INTO A HOLE OF SLIGHTLY SMALLER DIAMETER. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING.
CAGE Information
| Code | Company |
|---|---|
| 56878 | SPS TECHNOLOGIES LLC DBA AEROSPACE D |
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 |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| ADEA | NUT HEIGHT | 0.199 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | SPLINE |
| AAVM | PILOT LENGTH | 0.086 INCHES MINIMUM AND 0.111 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3B |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| ACTD | NUT DIAMETER | 0.531 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| BZRR | THREAD SERIES | UNJF |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 8740 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |