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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
ABKW OVERALL HEIGHT 0.549 INCHES MAXIMUM
CSXL BEARING SURFACE FINISH 125.0 MICROINCHES
ACTA NUT STYLE DOUBLE HEXAGON
MATT MATERIAL STEEL COMP 4037 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8740 OVERALL
CQJX NOMINAL THREAD SIZE 0.500 INCHES
AAJF THREAD DIRECTION RIGHT-HAND
ASDB WIDTH ACROSS FLATS 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
AAJD THREAD CLASS 3B
AZKQ TEMP RATING NOT RATED
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
ABAJ LUBRICATION SOLUBLE LUBRICANT
AAVX WASHER OUTSIDE DIAMETER 0.863 INCHES MAXIMUM
CQFM HARDNESS RATING 34.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
ADEM WASHER THICKNESS 0.074 INCHES MINIMUM
CMLP THREAD QUANTITY PER INCH 20
BZRR THREAD SERIES UNJF
SFTT SURFACE TREATMENT CADMIUM OVERALL
AAUM LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN

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