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National Stock Number:
5305-00-486-5962
Federal Supply Class:
5305
National Item Identification Number:
004865962
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:
| C320000053 | 88818 | KEARFOTT CORPORATION |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.250 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.087 INCHES MINIMUM AND 0.092 INCHES MAXIMUM | | HEAD DIAMETER | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM | | HEAD HEIGHT | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S763,300 SERIES FED SPEC 1ST MATERIAL RESPONSE OR 66,300 SERIES FED STD 1ST MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OR STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.125 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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