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National Stock Number:
5305-01-581-5009
Federal Supply Class:
5305
National Item Identification Number:
015815009
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:
| S300NA42SAD16421NNQB1 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
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Techincal Specification:
| FASTENER LENGTH | 1.119 INCHES MINIMUM AND 1.125 INCHES MAXIMUM | | HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASME/ANSI B18.3,CRES 316 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 316 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP SOCKET HEAD | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | 0.250-28UNRF-3A X 0.875;KEY ENGAGEMENT MINIMUM 0.120 | | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL | | SUPPLEMENTARY FEATURES | USED ON FLIR CAMERA FOR WEAPON MOUNT GCRG00000A USED ON RG-31-MINISAMSON ARMORED PERSONNEL CARRIER VARIANT | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNRF |
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