Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , CASTELLATED , DOU
Definition:
A NUT HAVING 12 DRIVE POINTS, 24 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.
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 |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| FEAT | SPECIAL FEATURES | MATERIAL STATED A286 |
| AGAV | END ITEM IDENTIFICATION | USED ON A10-HOG-UP |
| AAUM | LOCKING FEATURE | ANY ACCEPTABLE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASDB | WIDTH ACROSS FLATS | 0.531 INCHES NOMINAL |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| AAJD | THREAD CLASS | 3B |
| ACTA | NUT STYLE | CASTELLATED, DOUBLE HEXAGON |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| AZKQ | TEMP RATING | 900.0 DEG FAHRENHEIT MAXIMUM |
| ADEA | NUT HEIGHT | 0.385 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE II CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| BZRR | THREAD SERIES | UNJF |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |