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 |
|---|---|
| 20418 | DRS SUSTAINMENT SYSTEMS INC. DIV DRS |
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 |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 0.235 INCHES MINIMUM BOSS |
| MATT | MATERIAL | STEEL COMP 1050 BASE |
| MATT | MATERIAL | STEEL COMP 305 BOSS |
| SFTT | SURFACE TREATMENT | CHROMATE BOSS |
| ADEA | NUT HEIGHT | 0.555 INCHES MAXIMUM |
| AAVM | PILOT LENGTH | 0.285 INCHES NOMINAL |
| CQJX | NOMINAL THREAD SIZE | 0.190 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.405 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES BOSS |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| SFTT | SURFACE TREATMENT | CADMIUM BOSS AND CADMIUM BASE AND CADMIUM NUT |
| ACTA | NUT STYLE | SPLINE (FLOATING) |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5639 ASSN STD 1ST MATERIAL RESPONSE BOSS OR AMS 5085 ASSN STD 1ST MATERIAL RESPONSE NUT OR AMS 5514 ASSN STD 2ND MATERIAL RESPONSE BOSS |
| CQFM | HARDNESS RATING | 49.0 ROCKWELL C MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| AAJD | THREAD CLASS | 3B |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5085 ASSN STD SINGLE MATERIAL RESPONSE BASE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5639 ASSN STD 2ND MATERIAL RESPONSE NUT |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| SFTT | SURFACE TREATMENT | CHROMATE BASE |
| ACVN | NUT LENGTH | 0.587 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES BASE |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT MAXIMUM |
| MATT | MATERIAL | STEEL COMP 304 BOSS OR STEEL COMP 1050 NUT |
| BZRR | THREAD SERIES | UNJF |
| CBBL | FEATURES PROVIDED | FLOATING NUT |
| AAVL | PILOT DIAMETER | 0.270 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |