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National Stock Number: 5305-00-206-7985
Federal Supply Class: 5305
National Item Identification Number: 002067985
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:
A8836703-1 | 21921 | RCA CORP DISTRIBUTOR AND SPECIAL PRODUCTS DIV | A8836703-1 | 49671 | LOCKHEED MARTIN CORP LOCKHEED MARTIN INFORMATION SYSTEMS AUTOMATED SPARES |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNC | NOMINAL THREAD DIAMETER | 0.190 INCHES | THREAD QUANTITY PER INCH | 24 | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.375 INCHES MINIMUM | FASTENER LENGTH | 0.875 INCHES NOMINAL | MATERIAL | COPPER ALLOY OVERALL | HEAD STYLE | ROUND | HEAD DIAMETER | 0.359 INCHES NOMINAL | HEAD HEIGHT | 0.136 INCHES NOMINAL | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | FIRST DIAMETER FROM HEAD | 0.130 INCHES NOMINAL | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.500 INCHES NOMINAL | THE MANUFACTURERS DATA | | MANUFACTURERS CODE | 21921 | DESIGN CONTROL REFERENCE | A8836703-1 |
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