Part Number
Part Number:
NSN:
NIIN:
Item Name:
NUT , PLAIN , CASTELLATED , HEXAGON
Definition:
A NUT HAVING 6 FLAT SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. IT IS DESIGNED TO PROVIDE POSITIVE LOCKING WHEN USED WITH A SOLID OR SPLIT (COTTER) PIN. EXCLUDES NUT (1), PLAIN, SLOTTED, HEXAGON.
CAGE Information
| Code | Company |
|---|---|
| 81348 | FEDERAL SPECIFICATIONS PROMULGATED B |
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 |
|---|---|---|
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A TYPE |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A TYPE |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| BZRR | THREAD SERIES | UNF |
| ADEA | NUT HEIGHT | 0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| ASDB | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL OVERALL |
| ACTA | NUT STYLE | CASTELLATED, HEXAGON |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| AAJD | THREAD CLASS | 2B |