5305-01-294-8701, SETSCREW

National Stock Number:
5305-01-294-8701

Federal Supply Class:
5305

National Item Identification Number:
012948701

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
MS51955-45	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

DEPARTURE FROM CITED DOCUMENT	AS MODIFIED BY FINISH
FASTENER LENGTH	2.906 INCHES MINIMUM AND 3.000 INCHES MAXIMUM
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.270 INCHES MINIMUM AND 0.293 INCHES MAXIMUM
HEAD STYLE	SQUARE
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND 4 STYLE
PART NAME ASSIGNED BY CONTROLLING AGENCY	SETSCREW
POINT STYLE	CUP
WIDTH BETWEEN FLATS	0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 TY 2 CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	2A
THREAD SERIES DESIGNATOR	UNC
THREAD QUANTITY PER INCH	16

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