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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
19207 U S ARMY TANK AUTOMOTIVE COMMAND AMS

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
CQFM HARDNESS RATING 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
ADEA NUT HEIGHT 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 1022 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1119 OVERALL OR STEEL COMP 1524 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1025 OVERALL OR STEEL COMP 1117 OVERALL OR STEEL COMP 1118 OVERALL OR STEEL COMP 1021 OVERALL OR STEEL COMP 1120 OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR QQ-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
ASDB WIDTH ACROSS FLATS 1.047 INCHES MINIMUM AND 1.078 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
CRSQ COUNTERSINK ANGLE 88.0 DEGREES MINIMUM NUT AND 92.0 DEGREES MAXIMUM NUT
AZKQ TEMP RATING NOT RATED
ACTA NUT STYLE HEXAGON
CMLP THREAD QUANTITY PER INCH 16
CBBL FEATURES PROVIDED CASEHARDENED
CRTM BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
CQJX NOMINAL THREAD SIZE 0.750 INCHES
AAJD THREAD CLASS 2B

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