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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
96169 ELECTRIC BOAT CORPORATION

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
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281,CLASS B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
ASDB WIDTH ACROSS FLATS 2.250 INCHES NOMINAL
FEAT SPECIAL FEATURES TAPPED HOLE IN THREADS 0.250-20UNC-2B
CQFM HARDNESS RATING NOT RATED
ADEA NUT HEIGHT 0.562 INCHES NOMINAL
MATT MATERIAL NICKEL ALLOY R-405 OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
AZKQ TEMP RATING NOT RATED
ACTA NUT STYLE HEXAGON
BZRR THREAD SERIES UN
CQJX NOMINAL THREAD SIZE 1.625 INCHES
CMLP THREAD QUANTITY PER INCH 12
AAJD THREAD CLASS 2B
CRTM BEARING SURFACE TYPE FLAT OR CHAMFERED

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