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National Stock Number:
5305-00-826-9180
Federal Supply Class:
5305
National Item Identification Number:
008269180
Description:
SETSCREW
Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.
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Manufacturer Information:
| LK1081-4A8 | 26304 | TORKON FASTENER CORP | | NAS1081-4A8 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD LENGTH | 0.500 INCHES MAXIMUM | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND | | 53.0 ROCKWELL C MAXIMUM OVERALL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.125 INCHES MINIMUM AND | | 0.127 INCHES MAXIMUM | | POINT STYLE | FLAT |
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