5305-01-191-3096, SCREW,EXTERNALLY RELIEVED BODY

5305-01-191-3095 SCREW,EXTERNALLY RELIEVED BODY

5305-01-191-3097 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-191-3096

Federal Supply Class:
5305

National Item Identification Number:
011913096

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:

MD31623-75	K0349	M L AVIATION LTD INCORPORATING M L WALLOP DEFENCE SYSTEMS LTD
MD31623-75	K4234	CURTISS-WRIGHT FLOW CONTROL (UK) LTD
MD31623-75	U1918	MISSION SYSTEMS WIMBORNE LIMITED

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.910 INCHES MINIMUM AND 1.930 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	2.410 INCHES MINIMUM AND 2.430 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
HEAD DIAMETER	0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
HEAD HEIGHT	0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	S154 FSCM K0349 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNJF

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