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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
ADEM WASHER THICKNESS 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
ACTA NUT STYLE DOUBLE HEXAGON
ASDB WIDTH ACROSS FLATS 0.375 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5735,A-286 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5737,A-286 ASSN STD 2ND MATERIAL RESPONSE OVERALL
FEAT SPECIAL FEATURES REMOVED TWO POINTS ON WRENCHING CONFIGURATION 180 DEGREES APART,10-POINT NUT;FINISH IS ESNALUBE 382
CQFM HARDNESS RATING 48.0 ROCKWELL C MAXIMUM
AAVX WASHER OUTSIDE DIAMETER 0.475 INCHES MINIMUM
AAJF THREAD DIRECTION RIGHT-HAND
CQJX NOMINAL THREAD SIZE 0.3125 INCHES
MATT MATERIAL IRON ALLOY 660 OVERALL
AAJD THREAD CLASS 3B
AZKQ TEMP RATING NOT RATED
ABKW OVERALL HEIGHT 0.460 INCHES MINIMUM AND 0.475 INCHES MAXIMUM
AGAV END ITEM IDENTIFICATION F118 ENGINE QUALIFIED
BZRR THREAD SERIES UNJF
AAUM LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN

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