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National Stock Number:
5305-01-508-1242
Federal Supply Class:
5305
National Item Identification Number:
015081242
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:
| KLR83B | 06RP6 | DRS NAVAL POWER SYSTEMS INC | | KLR83B | 3BUT6 | DRS TECHNOLOGIES INC DBA D R S POWER & CONTROL TECHNOLOGIES INC |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.422 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 2.110 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM | | HEAD DIAMETER | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM | | HEAD HEIGHT | 0.312 INCHES MINIMUM | | HEAD STYLE | KNURLED NO. 1 | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT CHAMFER ANGLE | 77.0 DEGREES MINIMUM AND 87.0 DEGREES MAXIMUM | | POINT STYLE | CONE | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.688 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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