5305-00-803-3656, SCREW,EXTERNALLY RELIEVED BODY

5305-00-803-3655 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-803-3656

Federal Supply Class:
5305

National Item Identification Number:
008033656

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:

328061	07187	HONEYWELL INTERNATIONAL INC.
328061	56232	LOCKHEED MARTIN CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM
FASTENER LENGTH	1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
HEAD DIAMETER	0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
HEAD HEIGHT	0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
HEAD STYLE	DOUBLE CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
THREAD CLASS	2A
THREAD LENGTH	0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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