5305-01-282-3378, SETSCREW

5306-01-282-3379 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-282-3378

Federal Supply Class:
5305

National Item Identification Number:
012823378

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:

FF-S-210	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS51955-111	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	0.750 INCHES
THREAD QUANTITY PER INCH	10
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	2.620 INCHES MINIMUM AND
	3.000 INCHES MAXIMUM
FASTENER LENGTH	2.820 INCHES MINIMUM AND
	3.000 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT	ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND
	37.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	SQUARE
HEAD HEIGHT	0.544 INCHES MINIMUM AND
	0.582 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.729 INCHES MINIMUM AND
	0.750 INCHES MAXIMUM
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
POINT STYLE	CUP
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND
	4 STYLE
DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY SURFACE TREATMENT
PART NAME ASSIGNED BY CONTROLLING AGENCY	SETSCREW
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-210
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS51955-111

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