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National Stock Number:
5305-14-520-8378
Federal Supply Class:
5305
National Item Identification Number:
145208378
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| 4-40X5/16 UNC SCK HD SCREW | 6F724 | TACOMA SCREW PRODUCTS, INC. | | 4806-040 | F0396 | SAFRAN ELECTRONICS & DEFENSE (EX AVIAC TECHNOLOGIES) | | 73404 | 0Y3H3 | FASTENAL COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.3125 INCHES NOMINAL | | HEAD STYLE | FLAT FILLISTER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP Z2CND17-12 OVERALL | | NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS | | STRENGTH GRADE DESIGNATION | A4 - 70 | | THREAD LENGTH | 0.3125 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC |
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