5305-01-143-6505, SCREW,EXTERNALLY RELIEVED BODY

5305-01-143-6506 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-143-6505

Federal Supply Class:
5305

National Item Identification Number:
011436505

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:

57519400-07	27963	GENERAL DYNAMICS INFORMATION SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS
57519400-07	3CYA2	GENERAL DYNAMICS MISSION SYSTEMS, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.328 INCHES NOMINAL0.328 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	11
FASTENER LENGTH	0.437 INCHES MINIMUM AND 0.437 INCHES MINIMUM AND 0.468 INCHES MAXIMUM0.468 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.077 INCHES MINIMUM AND 0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM0.083 INCHES MAXIMUM
HEAD DIAMETER	0.219 INCHES NOMINAL0.219 INCHES NOMINAL
HEAD HEIGHT	0.068 INCHES NOMINAL0.068 INCHES NOMINAL
HEAD STYLE	PANPAN
INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)OFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALLIRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES0.112 INCHES
THREAD CLASS	3A3A
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
THREAD LENGTH	0.130 INCHES MINIMUM AND 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM0.150 INCHES MAXIMUM
THREAD QUANTITY PER INCH	4040
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)

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