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National Stock Number:
5305-01-068-1076
Federal Supply Class:
5305
National Item Identification Number:
010681076
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:
| 116614 | 82686 | TRANSICOIL LLC | | 116814 | 82686 | TRANSICOIL LLC | | 631294 | 82686 | TRANSICOIL LLC | | AB90031294 | 21877 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.300 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.550 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FASTENER LENGTH | 0.700 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.086 INCHES NOMINAL | | HEAD DIAMETER | 0.124 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | | HEAD HEIGHT | 0.066 INCHES MINIMUM AND 0.083 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.086 INCHES | | SECOND DIAMETER FROM HEAD | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD LENGTH | 0.150 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 56 |
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