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Part Number

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

Definition:

A NUT HAVING AN EXTERNALLY SPLINED SLEEVE, WHICH HOLDS IT IN POSITION WHEN FORCED INTO A HOLE OF SLIGHTLY SMALLER DIAMETER. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING.

CAGE Information

Code Company
75237 ALCOA GLOBAL FASTENERS INC. DBA ALCO

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
AAVM PILOT LENGTH 0.159 INCHES MINIMUM AND 0.171 INCHES MAXIMUM
AAVM PILOT LENGTH 0.159 INCHES MINIMUM AND 0.171 INCHES MAXIMUM
ADFK NUT COUNTERBORE DEPTH 0.159 INCHES MINIMUM NUT AND 0.171 INCHES MAXIMUM NUT
AAVL PILOT DIAMETER 0.273 INCHES MINIMUM AND 0.277 INCHES MAXIMUM
SFTT SURFACE TREATMENT PASSIVATE OVERALL EXCEPT INSERT
MATT MATERIAL PLASTIC LOCKING INSERT
AAWY COUNTERBORE DIAMETER 0.220 INCHES NOMINAL NUT
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
CQFM HARDNESS RATING NOT RATED
AZKQ TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
ACTA NUT STYLE SPLINE
AAUM LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
AAJD THREAD CLASS 3B
MATT MATERIAL STEEL COMP 303 NUT
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AISI 303 ASSN STD 1ST MATERIAL RESPONSE NUT
ADEA NUT HEIGHT 0.400 INCHES MINIMUM AND 0.430 INCHES MAXIMUM
ASDB WIDTH ACROSS FLATS 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
CQJX NOMINAL THREAD SIZE 0.164 INCHES
BZRR THREAD SERIES UNC
CRSQ COUNTERSINK ANGLE ANY ACCEPTABLE NUT
CMLP THREAD QUANTITY PER INCH 32

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