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National Stock Number:
5305-00-638-1583
Federal Supply Class:
5305
National Item Identification Number:
006381583
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:
| 7601274 | 19200 | US ARMY ARDEC RDECOM | | BL716609 | 64959 | AMERICAN TELEPHONE AND TELEGRAPH CO | | BL716609 | 70408 | AT AND T CORP |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.188 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.234 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FASTENER LENGTH | 0.438 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.219 INCHES NOMINAL | | HEAD HEIGHT | 0.062 INCHES NOMINAL | | HEAD DIAMETER | 0.281 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | GASTM A576 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1527 OR STEEL COMP 1030 OR STEEL COMP 1035 OR STEEL COMP 1109 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1120 OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SECOND DIAMETER FROM HEAD | 0.141 INCHES NOMINAL | | SURFACE TREATMENT | CHROMATE ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.203 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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