Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , CASTELLATED , HEX
Definition:
A NUT HAVING 6 FLAT SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. THE SLOTS WHEN USED IN CONJUNCTION WITH A SOLID OR SPLIT (COTTER) PIN, ACT AS AN EXTRA "FAIL SAFE" FEATURE IN CRITICAL APPLICATIONS. EXCLUDES NUT (1), SELF-LOCKING, SLOTTED, HEXAGON.
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 |
|---|---|---|
| ADEA | NUT HEIGHT | 0.133 INCHES MINIMUM AND 0.153 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | NOT RATED |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| SFTT | SURFACE TREATMENT | PASSIVATE NUT |
| AAJD | THREAD CLASS | 3B |
| AZKQ | TEMP RATING | NOT RATED |
| MATT | MATERIAL | STEEL COMP 303 NUT |
| ACTA | NUT STYLE | CASTELLATED, HEXAGON |
| BZRR | THREAD SERIES | UNJC |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| ASDB | WIDTH ACROSS FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.138 INCHES |