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National Stock Number: 5305-00-682-5978
Federal Supply Class: 5305
National Item Identification Number: 006825978
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:
FFS103TYPE3STYLE1 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | MS51029-60 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | MS51029-60 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
FASTENER LENGTH | 0.250 INCHES NOMINAL | HEAD STYLE | HEADLESS (SETSCREW) | INTERNAL DRIVE STYLE | HEXAGON | MATERIAL | STEEL CORROSION RESISTING OVERALL | NOMINAL THREAD DIAMETER | 0.312 INCHES | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 STYLE | POINT STYLE | FLAT | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL | SURFACE TREATMENT | PASSIVATE OVERALL | THREAD LENGTH | 0.250 INCHES MINIMUM | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD SERIES DESIGNATOR | UNC | THREAD QUANTITY PER INCH | 18 |
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