5305-00-292-0936, SETSCREW

National Stock Number:
5305-00-292-0936

Federal Supply Class:
5305

National Item Identification Number:
002920936

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Manufacturer Information:

589444	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
589444	21450	ARMY WEAPONS COMMAND ATTN AMSWE-REE-S

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.438 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.500 INCHES MAXIMUM
FASTENER LENGTH	0.500 INCHES NOMINAL
MATERIAL	STEEL COMP 4037 OR
	STEEL COMP 4137 OR
	STEEL COMP 4140 OR
	STEEL COMP 8630 OR
	STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM OR
	ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR
	QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
HARDNESS RATING	45.0 ROCKWELL C MINIMUM AND
	53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.315 INCHES MINIMUM AND
	0.341 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.423 INCHES MINIMUM AND
	0.438 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.219 INCHES MINIMUM AND
	0.220 INCHES MAXIMUM
POINT STYLE	CUP
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	21450
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	589444

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