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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
019L2 MAC LEAN-FOGG COMPANY DBA MAC LEAN-E

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
CQJX NOMINAL THREAD SIZE 0.250 INCHES
CQJX NOMINAL THREAD SIZE 0.250 INCHES
ABKW OVERALL HEIGHT 0.313 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
CQFM HARDNESS RATING 39.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
ACTA NUT STYLE DOUBLE HEXAGON
ASDB WIDTH ACROSS FLATS 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 28
AAJF THREAD DIRECTION RIGHT-HAND
AZKQ TEMP RATING NOT RATED
MATT MATERIAL STEEL COMP 8740 OVERALL
ADEM WASHER THICKNESS 0.047 INCHES MINIMUM AND 0.057 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
AAJD THREAD CLASS 3BG
CRSQ COUNTERSINK ANGLE ANY ACCEPTABLE NUT
BZRR THREAD SERIES UNJF
AAVX WASHER OUTSIDE DIAMETER 0.430 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SFTT SURFACE TREATMENT CADMIUM OVERALL
AAUM LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN

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