5305-01-388-5223, SETSCREW

National Stock Number:
5305-01-388-5223

Federal Supply Class:
5305

National Item Identification Number:
013885223

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:

12387304-67

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

COLOR	BRONZE AND OLIVE DRAB OVERALL
FASTENER LENGTH	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HARDNESS RATING	45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	HEADLESS (SETSCREW)
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	FED 66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 4032 OR STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
POINT STYLE	CUP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-STD-171, 1.9.2.3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS	0.125 INCHES NOMINAL

Click here to Register for Free 30-day Trial