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National Stock Number:
5305-99-363-2408
Federal Supply Class:
5305
National Item Identification Number:
993632408
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:
| SCREWFLSOUN0.138STOONO | K0000 | MINISTRY OF DEFENCE UNITED KINGDOM NATIONAL CODIFICATION BUREAU UKNCB RISK MANAGERS | | V-36-1912-50 | K0668 | LEONARDO UK LTD |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM | | FASTENER LENGTH | 0.500 INCHES NOMINAL AND 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.088 INCHES MINIMUM AND 0.092 INCHES MAXIMUM | | HEAD STYLE | FLAT FILLISTER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAPTIVE | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | USA QQ-P-35 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD LENGTH | 0.180 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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