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Part Number

Part Number:
NSN:
NIIN:
Item Name:
NUT , SELF-LOCKING , ASSEMBLED WASHE

Definition:

A NUT ON WHICH HAS BEEN ASSEMBLED A NONREMOVABLE WASHER. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.

CAGE Information

Code Company
15653 ALCOA GLOBAL FASTENERS INC.

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
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE NUT OR MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE NUT OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE NUT
ADFK NUT COUNTERBORE DEPTH 0.087 INCHES MINIMUM NUT AND 0.097 INCHES MAXIMUM NUT
FEAT SPECIAL FEATURES ROCKWELL C SCALE 40 MIN AND ROCKWELL C SCALE 45 MAX WASHER
MATT MATERIAL STEEL WASHER
CQFM HARDNESS RATING 39.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
CQJX NOMINAL THREAD SIZE 0.500 INCHES
ACTA NUT STYLE FLAT WITH TURNED UP EDGE
AAJF THREAD DIRECTION RIGHT-HAND
ASDB WIDTH ACROSS FLATS 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
AAWY COUNTERBORE DIAMETER 0.546 INCHES MINIMUM NUT AND 0.551 INCHES MAXIMUM NUT
AAJD THREAD CLASS 3B
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
AAVX WASHER OUTSIDE DIAMETER 0.860 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 4140 NUT OR STEEL COMP 4340 NUT OR STEEL COMP 8740 NUT
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
AZKQ TEMP RATING 450.0 DEG FAHRENHEIT MAXIMUM
ABKW OVERALL HEIGHT 0.430 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 20
BZRR THREAD SERIES UNJF
AAUM LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN

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