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National Stock Number:
5305-01-100-5982
Federal Supply Class:
5305
National Item Identification Number:
011005982
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:
| 10-502599 | 77820 | AMPHENOL CORP | | 13011991 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 422420-1 | 00752 | L3HARRIS TECHNOLOGIES, INC. | | 6133496-1 | 03640 | LOCKHEED MARTIN CORPORATION | | 71311600-012 | 04939 | LOCKHEED MARTIN CORPORATION | | 2609488-2 | 06424 | ALLIANT TECHSYSTEMS OPERATIONS LLC |
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Techincal Specification:
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FASTENER LENGTH | 1.280 INCHES NOMINAL | | HEAD DIAMETER | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM | | HEAD HEIGHT | 0.750 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 5 | | INTERNAL DRIVE STYLE | TORQUE | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SECOND DIAMETER FROM HEAD | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.110 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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