5305-01-138-3279, SETSCREW

National Stock Number:
5305-01-138-3279

Federal Supply Class:
5305

National Item Identification Number:
011383279

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:

AN565B428H6	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
FF-S-200	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.365 INCHES MINIMUM AND
	0.385 INCHES MAXIMUM
FASTENER LENGTH	0.365 INCHES MINIMUM AND
	0.385 INCHES MAXIMUM
MATERIAL	STEEL COMP 4037 OR
	STEEL COMP 4137 OR
	STEEL COMP 8630 OR
	STEEL COMP 8740 OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2 CLASS 2 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	0.125 INCHES MINIMUM AND
	0.127 INCHES MAXIMUM
POINT STYLE	CONE
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND
	2 STYLE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AN565B428H6
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-200

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