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Part Number

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

Definition:

A NUT OF CYLINDRICAL OR PARTLY CYLINDRICAL CROSS-SECTION WITH INTEGRAL THREADS PERPENDICULAR TO THE AXIAL CENTERLINE. ENDS MAY BE FLAT OR FLANGED. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. EXCLUDES NUT (1), SELF-LOCKING, ROUND.

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
CMLP THREAD QUANTITY PER INCH 24
BZRR THREAD SERIES UNF
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AISI ASSN STD 3RD MATERIAL RESPONSE OVERALL
ACVN NUT LENGTH 0.531 INCHES MINIMUM AND 0.561 INCHES MAXIMUM
ADEA NUT HEIGHT 0.421 INCHES MINIMUM AND 0.451 INCHES MAXIMUM
AZKQ TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
AAUM LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
AAJD THREAD CLASS 3B
ACTD NUT DIAMETER 0.550 INCHES MINIMUM AND 0.553 INCHES MAXIMUM
SFTT SURFACE TREATMENT CADMIUM OVERALL EXCEPT INSERT
MATT MATERIAL STEEL COMP 4130 OVERALL OR PLASTIC POLYAMIDE OVERALL OR STEEL COMP 4340 OVERALL
CQJX NOMINAL THREAD SIZE 0.312 INCHES
CQFM HARDNESS RATING 31.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM
ADBA BARREL HEIGHT 0.305 INCHES MINIMUM AND 0.335 INCHES MAXIMUM
ACTA NUT STYLE NON-FLOATING SELF-LOCKING BARREL

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