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 |
|---|---|
| 019L2 | MAC LEAN-FOGG COMPANY DBA MAC LEAN-E |
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 |
|---|---|---|
| CQFM | HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| ADFK | NUT COUNTERBORE DEPTH | 0.111 INCHES MINIMUM NUT AND 0.131 INCHES MAXIMUM NUT |
| MATT | MATERIAL | STEEL COMP 4140 NUT OR STEEL COMP 4130 NUT OR STEEL COMP 4340 NUT |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| AZKQ | TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | FLOATING SELF-LOCKING BARREL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ADEA | NUT HEIGHT | 0.508 INCHES NOMINAL |
| AAJD | THREAD CLASS | 3B |
| ACTD | NUT DIAMETER | 0.613 INCHES MINIMUM AND 0.616 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL EXCEPT INSERT |
| ADBA | BARREL HEIGHT | 0.447 INCHES MINIMUM AND 0.467 INCHES MAXIMUM |
| AAWY | COUNTERBORE DIAMETER | 0.401 INCHES MINIMUM NUT AND 0.411 INCHES MAXIMUM NUT |
| ACVN | NUT LENGTH | 0.750 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD 2ND MATERIAL RESPONSE NUT OR 66 FED STD 3RD MATERIAL RESPONSE NUT OR MIL-S-5000 MIL SPEC 4TH MATERIAL RESPONSE NUT |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| BZRR | THREAD SERIES | UNJF |
| CBBL | FEATURES PROVIDED | FLOATING NUT |