5305-01-344-4305, SCREW,EXTERNALLY RELIEVED BODY

5305-01-344-4304 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-344-4305

Federal Supply Class:
5305

National Item Identification Number:
013444305

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:

835028A0442	01365	MARINE CORPS LOGISTICS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE-MICC LOGISTICS OPERATIONS CENTER
835028A0442	56161	GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION
W835028A0442	56161	GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION
W85028A0442	01365	MARINE CORPS LOGISTICS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE-MICC LOGISTICS OPERATIONS CENTER
W85028A0442	56161	GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	5.250 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	6.875 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	8.875 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	1.366 INCHES MINIMUM AND 1.370 INCHES MAXIMUM
HEAD DIAMETER	0.050 INCHES NOMINAL
HEAD STYLE	BLIND
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A276 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 304 OR STEEL COMP 316 OVERALL
NOMINAL THREAD DIAMETER	1.000 INCHES
SECOND DIAMETER FROM HEAD	0.994 INCHES MINIMUM AND 0.997 INCHES MAXIMUM
WIDTH BETWEEN FLATS	1.372 INCHES MINIMUM AND 1.378 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.500 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	12

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