5305-01-038-4759, SETSCREW

National Stock Number:
5305-01-038-4759

Federal Supply Class:
5305

National Item Identification Number:
010384759

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:

AN565F428H20	81352	AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP
FF-S-200	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING	45.0 ROCKWELL C MINIMUM AND
	53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	HEADLESS (SETSCREW)
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.125 INCHES MINIMUM AND
	0.127 INCHES MAXIMUM
POINT STYLE	OVAL
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND
	3 STYLE
DEPARTURE FROM CITED DOCUMENT	AS MODIFIED BY MATERIAL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81352
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AN565F428H20
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-200
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.231 INCHES MINIMUM AND
	1.269 INCHES MAXIMUM
FASTENER LENGTH	1.231 INCHES MINIMUM AND
	1.269 INCHES MAXIMUM
MATERIAL	STEEL COMP 4037 OR
	STEEL COMP 4137 OR
	STEEL COMP 8740 OVERALL

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