5305-01-047-0987, SETSCREW

National Stock Number:
5305-01-047-0987

Federal Supply Class:
5305

National Item Identification Number:
010470987

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:

AN565D820H20	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:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.500 INCHES
THREAD QUANTITY PER INCH	20
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 OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE 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	0.250 INCHES MINIMUM AND
	0.252 INCHES MAXIMUM
POINT STYLE	CUP
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND
	4 STYLE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81352
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AN565D820H20
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-200

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