5305-01-388-7231, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-388-7231

Federal Supply Class:
5305

National Item Identification Number:
013887231

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:

999-4568-779L

19710

MPC PRODUCTS CORPORATION

Techincal Specification:

EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.015 INCHES MINIMUM AND 1.025 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
HEAD DIAMETER	0.180 INCHES NOMINAL
HEAD HEIGHT	0.110 INCHES NOMINAL
HEAD STYLE	FLAT FILLISTER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5731 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS5737 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
PROPRIETARY CHARACTERISTICS	PACS
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.112 INCHES
WIDTH ACROSS FLATS	0.095 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.615 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNRC

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