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Part Number

Part Number:
NSN:
NIIN:
Item Name:
NUT , PLAIN , HEXAGON

Definition:

A NUT, FLAT ON TOP AND BOTTOM HAVING 6 FLAT SIDES. FOR ITEMS WHICH HAVE INTERNAL TAPERED OR STRAIGHT (PARALLEL) PIPE THREADS, SPECIFIC ELECTRICAL CONDUIT SIZE DESIGNATION, AND WHICH WHEN INSTALLED, PROVIDE A METHOD OF TIGHTENING TO LOCK THE CONNECTION, SEE LOCKNUT, ELECTRICAL CONDUIT. SEE ALSO LOCKNUT, TUBE FITTING. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE WIDTH ACROSS THE FLATS, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. (WHEN HEIGHT OR THICKNESS AND/OR WIDTH ACROSS THE FLATS IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.)

CAGE Information

Code Company
21450 ARMY WEAPONS COMMAND ATTN AMSWE-REE-

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
BZRR THREAD SERIES UNF
BZRR THREAD SERIES UNF
ASDB WIDTH ACROSS FLATS 0.3020 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM
ZZZT NONDEFINITIVE SPEC/STD DATA 2 TYPE AND 1 STYLE AND C GROUP
MATT MATERIAL STEEL COMP 303 OVERALL
ADEA NUT HEIGHT 0.102 INCHES MINIMUM AND 0.114 INCHES MAXIMUM
CQFM HARDNESS RATING NOT RATED
AAJF THREAD DIRECTION RIGHT-HAND
AAJD THREAD CLASS 3B
AZKQ TEMP RATING NOT RATED
ZZZW DEPARTURE FROM CITED DOCUMENT AS MODIFIED BY THD CLASS RQMT
ACTA NUT STYLE HEXAGON
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CRTM BEARING SURFACE TYPE FLAT
SFTT SURFACE TREATMENT PASSIVATE OVERALL
CMLP THREAD QUANTITY PER INCH 40
CQJX NOMINAL THREAD SIZE 0.138 INCHES

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