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National Stock Number:
5305-00-206-2866
Federal Supply Class:
5305
National Item Identification Number:
002062866
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:
| 217341PC6 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.640 INCHES MINIMUM AND | | 0.660 INCHES MAXIMUM | | FASTENER LENGTH | 1.140 INCHES MINIMUM AND | | 1.160 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.552 INCHES MINIMUM AND | | 0.572 INCHES MAXIMUM | | HEAD HEIGHT | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.260 INCHES MINIMUM AND | | 0.280 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.440 INCHES MINIMUM AND | | 0.460 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM |
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