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National Stock Number:
5305-01-540-9403
Federal Supply Class:
5305
National Item Identification Number:
015409403
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:
| 70361-08700-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | HL12VAT-8-7 | 73197 | HI-SHEAR CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD STYLE | HEADLESS (SETSCREW) | | INTERNAL DRIVE STYLE | HEXAGON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BALANCE SCREW | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT STYLE | FLAT | | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | SPECIAL FEATURES | POLY LOCKING PATCH | | WIDTH ACROSS FLATS | 0.096 INCHES NOMINAL | | SURFACE TREATMENT | PRIMER OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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