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National Stock Number:
5305-00-638-1614
Federal Supply Class:
5305
National Item Identification Number:
006381614
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:
| 203B1003 | 1VPW8 | GENERAL DYNAMICS MISSION SYSTEMS, INC. | | 203B1003 | 72617 | BLACK AND DECKER /US/ INC DEWALT DIV | | 203B1003 | 94990 | MOTOROLA INC. DBA INTEGRATED INFORMATION SYSTEMS GROUP |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.281 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.625 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.109 INCHES NOMINAL | | HEAD HEIGHT | 0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM | | HEAD DIAMETER | 0.248 INCHES MINIMUM AND 0.270 INCHES MAXIMUM | | HEAD STYLE | FILLISTER | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1010 OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.312 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL B FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-P-416,TY 2 CL B FED SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL OR PAINT OVERALL |
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