5305-00-206-4675, SETSCREW

National Stock Number:
5305-00-206-4675

Federal Supply Class:
5305

National Item Identification Number:
002064675

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:

FFS103TYPE3STYLE4

81348

FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.250 INCHES MAXIMUM
FASTENER LENGTH	0.250 INCHES NOMINAL
MATERIAL	NICKEL ALLOY R-405 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 CL B FED SPEC SINGLE MATERIAL 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	0.156 INCHES NOMINAL
POINT STYLE	CUP
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND
	2 STYLE
DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY MATERIAL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FFS103TYPE3STYLE4

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