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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
62974 ABRASIVE BLAST SYSTEMS INC.

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
SFTT SURFACE TREATMENT ZINC OVERALL
ADEA NUT HEIGHT 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 18
AAJF THREAD DIRECTION RIGHT-HAND
AZKQ TEMP RATING NOT RATED
MATT MATERIAL STEEL OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION SAE/AMS OR ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
CQJX NOMINAL THREAD SIZE 0.312 INCHES
ACTA NUT STYLE HEXAGON
ASDB WIDTH ACROSS FLATS 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
CRTM BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
BZRR THREAD SERIES UNC
CQFM HARDNESS RATING 121.0 BRINELL STANDARD MINIMUM
AAJD THREAD CLASS 2B

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