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National Stock Number:
5305-01-089-8679
Federal Supply Class:
5305
National Item Identification Number:
010898679
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.
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Manufacturer Information:
| D791512-14 | 17446 | HUCK INTERNATIONAL, INC | | P81-440-5 | 04729 | UNICORP. |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.502 INCHES MINIMUM AND 0.542 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.732 INCHES MINIMUM AND 0.752 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.076 INCHES MINIMUM AND 0.079 INCHES MAXIMUM | | HEAD DIAMETER | 0.1670 INCHES MINIMUM AND 0.180 INCHES MAXIMUM | | HEAD HEIGHT | 0.033 INCHES MINIMUM AND 0.049 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | | | MATERIAL | | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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