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 |
|---|---|
| 62554 | ALCOA GLOBAL FASTENERS INC. DBA SIMM |
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 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MS14144 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH METALLIC INSERT |
| AZKQ | TEMP RATING | 800.0 DEG FAHRENHEIT MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| ASDB | WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 46.0 ROCKWELL C MAXIMUM |
| ACTA | NUT STYLE | CASTELLATED, HEXAGON |
| ADEA | NUT HEIGHT | 0.406 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 2B |
| BZRR | THREAD SERIES | UNJF |
| CRTM | BEARING SURFACE TYPE | FLAT |