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National Stock Number:
5305-00-462-0206
Federal Supply Class:
5305
National Item Identification Number:
004620206
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:
| C5-15-4794 | 81361 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.830 INCHES MINIMUM AND 0.910 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM | | HEAD DIAMETER | 0.311 INCHES MINIMUM AND 0.314 INCHES MAXIMUM | | HEAD HEIGHT | 0.270 INCHES MINIMUM AND 0.350 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 1 | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SPECIAL FEATURES | 90 DEG CONE POINT | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.278 INCHES MINIMUM AND 0.298 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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