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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
BZRR THREAD SERIES UNF
BZRR THREAD SERIES UNF
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
ACTA NUT STYLE DOUBLE HEXAGON
CQFM HARDNESS RATING 43.0 ROCKWELL C NOMINAL
AZKQ TEMP RATING 450.0 DEG FAHRENHEIT NOMINAL
ABKW OVERALL HEIGHT 0.585 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
CQJX NOMINAL THREAD SIZE 0.438 INCHES
ASDB WIDTH ACROSS FLATS 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
AAJD THREAD CLASS 3B
ABAJ LUBRICATION DRY FILM LUBRICANT
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS6485 ASSN STD 2ND MATERIAL RESPONSE OVERALL
ADEM WASHER THICKNESS 0.037 INCHES MINIMUM
MATT MATERIAL STEEL COMP 8740 OVERALL OR STEEL COMP H11 OVERALL
CMLP THREAD QUANTITY PER INCH 20
AAVX WASHER OUTSIDE DIAMETER 0.830 INCHES MAXIMUM
SFTT SURFACE TREATMENT CADMIUM OVERALL
AAUM LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN

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