5305-01-351-0756, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-351-0756

Federal Supply Class:
5305

National Item Identification Number:
013510756

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:

50009555	99167	HAMILTON SUNDSTRAND CORPORATION
PN14.10	99167	HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.484 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.128 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
HEAD HEIGHT	0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
HEAD STYLE	HEXAGON
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	0.190 INCHES
WIDTH BETWEEN FLATS	0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM
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	0.350 INCHES NOMINAL
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNJF

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