5305-01-383-9153, SETSCREW

National Stock Number:
5305-01-383-9153

Federal Supply Class:
5305

National Item Identification Number:
013839153

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:

12387304-240

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

COLOR	BRONZE OR OLIVE DRAB OVERALL
FASTENER LENGTH	0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
HARDNESS RATING	45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	HEADLESS (SETSCREW)
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PATCH OR PELLET OR STRIP OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
POINT STYLE	CUP
SPECIAL FEATURES	PROTECTIVE FINISH 1.9.2.3 OF MIL-STD-171, EXCEPT .0003 THICK.
WIDTH ACROSS FLATS	0.078 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633, TYPE II ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
THREAD LENGTH	0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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