5305-01-484-2238, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-484-2238

Federal Supply Class:
5305

National Item Identification Number:
014842238

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Manufacturer Information:

114120-875-SS-12

51506

ACCURATE SCREW MACHINE CORP

Techincal Specification:

EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.860 INCHES MINIMUM AND 0.925 INCHES MAXIMUM
HEAD DIAMETER	0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT	0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM-A-581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072-E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF
WIDTH ACROSS FLATS	0.175 INCHES NOMINAL

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