5305-00-054-9281, SETSCREW

National Stock Number:
5305-00-054-9281

Federal Supply Class:
5305

National Item Identification Number:
000549281

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:

FFS210	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS51955-55	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.438 INCHES
THREAD QUANTITY PER INCH	14
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.000 INCHES MAXIMUM
FASTENER LENGTH	0.938 INCHES MINIMUM AND
	1.000 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TYPE 2 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND
	37.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	SQUARE
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	W/O INTERNAL DRIVE
POINT STYLE	CUP
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS51955-55

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