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National Stock Number:
5305-01-354-2465
Federal Supply Class:
5305
National Item Identification Number:
013542465
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:
| 8949312-01 | 94117 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | SNT50519-C3K | 02310 | PATTONAIR USA INC |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.312 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.687 INCHES NOMINAL | | FEATURES PROVIDED | O RING | | FIRST DIAMETER FROM HEAD | 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM | | HEAD DIAMETER | 0.391 INCHES MINIMUM AND 0.403 INCHES MAXIMUM | | HEAD HEIGHT | 0.126 INCHES MINIMUM AND 0.133 INCHES MAXIMUM | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPECIAL FEATURES | W/ONE FLUOROSILICONE O-RING PER MIL-R-25988 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 32 |
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