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National Stock Number:
5305-01-590-4516
Federal Supply Class:
5305
National Item Identification Number:
015904516
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:
| 3392AS737-5 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| COLOR | BLACK OVERALL | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | HEAD HEIGHT | 0.127 INCHES NOMINAL | | HEAD DIAMETER | 0.428 INCHES NOMINAL | | HEAD STYLE | BUTTON | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 316 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BUTTON HEAD SCREW | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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