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National Stock Number:
5305-00-626-2673
Federal Supply Class:
5305
National Item Identification Number:
006262673
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:
| CE78830 | 98230 | NATIONAL SECURITY AGENCY |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.814 INCHES MINIMUM AND 0.874 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.093 INCHES NOMINAL | | HEAD DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | HEAD HEIGHT | 0.103 INCHES MAXIMUM | | HEAD STYLE | PAN | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 416 OVERALL | | SPECIAL FEATURES | FLAT POINT | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM | | THREAD CLASS | 3A |
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