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National Stock Number:
5305-01-354-2478
Federal Supply Class:
5305
National Item Identification Number:
013542478
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:
| NAS1351C8-28 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| FASTENER LENGTH | 1.690 INCHES NOMINAL | | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL | | HEAD DIAMETER | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | HEAD HEIGHT | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP XM-7 OVERALL | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | WIDTH ACROSS FLATS | 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.500 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNRF | | THREAD QUANTITY PER INCH | 20 |
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