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National Stock Number:
5305-00-803-3656
Federal Supply Class:
5305
National Item Identification Number:
008033656
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:
| 328061 | 07187 | HONEYWELL INTERNATIONAL INC. | | 328061 | 56232 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM | | FASTENER LENGTH | 1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | HEAD DIAMETER | 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM | | HEAD HEIGHT | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | HEAD STYLE | DOUBLE CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD CLASS | 2A | | THREAD LENGTH | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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