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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
43999 BOEING COMPANY THE DBA BOEING DIV DE

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
CQJX NOMINAL THREAD SIZE 0.250 INCHES
ADEA NUT HEIGHT 0.281 INCHES NOMINAL
MATT MATERIAL STEEL COMP 321 OVERALL
ASDB WIDTH ACROSS FLATS 0.4275 INCHES MINIMUM AND 0.4395 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 28
AAJF THREAD DIRECTION RIGHT-HAND
AAJD THREAD CLASS 3B
ACTA NUT STYLE CASTELLATED, HEXAGON
CRTM BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
BZRR THREAD SERIES UNJF
SFTT SURFACE TREATMENT PASSIVATE OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL

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