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National Stock Number:
5305-01-351-5118
Federal Supply Class:
5305
National Item Identification Number:
013515118
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:
| 10113720 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 3825026-3 | 05DN8 | KLUNE INDUSTRIES, INC. | | 3825026-3 | 072E5 | VERTEX MODERNIZATION AND SUSTAINMENT LLC | | 3825026-3 | 09245 | SOLO ENTERPRISE CORP. | | 3825026-3 | 32067 | MARVIN ENGINEERING CO, INC | | 3825026-3 | 82577 | RAYTHEON COMPANY | | 5305PL1482800 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.252 INCHES NOMINAL | | FASTENER LENGTH | 1.530 INCHES NOMINAL | | MATERIAL | STEEL COMP E4340 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000,COND. C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837,TY2 CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.540 INCHES NOMINAL | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | SLOT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.4065 INCHES MINIMUM AND | | 0.4075 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.187 INCHES MINIMUM AND | | 0.197 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.060 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.207 INCHES NOMINAL |
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