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Part Number

Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , EXTENDED WASHER

Definition:

A NUT HAVING 12 DRIVE POINTS, 24 SIDES, AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE POINTS OR PERIPHERY. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.

CAGE Information

Code Company
56878 SPS TECHNOLOGIES LLC DBA AEROSPACE D

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
CMLP THREAD QUANTITY PER INCH 24
CMLP THREAD QUANTITY PER INCH 24
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
ACTA NUT STYLE DOUBLE HEXAGON
ASDB WIDTH ACROSS FLATS 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
ADEM WASHER THICKNESS 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
CQFM HARDNESS RATING NOT RATED
ABKW OVERALL HEIGHT 0.345 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
CRSQ COUNTERSINK ANGLE 85.0 DEGREES MINIMUM NUT AND 95.0 DEGREES MAXIMUM NUT
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL IRON ALLOY 660 OVERALL
AZKQ TEMP RATING NOT RATED
AAVX WASHER OUTSIDE DIAMETER 0.515 INCHES MAXIMUM
CQJX NOMINAL THREAD SIZE 0.312 INCHES
AAJD THREAD CLASS 3BG
BZRR THREAD SERIES UNJF
AAUM LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN

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