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National Stock Number:
5305-01-258-8490
Federal Supply Class:
5305
National Item Identification Number:
012588490
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:
| 28706L4C8 | 02310 | PATTONAIR USA INC |
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Techincal Specification:
| COLOR | BLACK FASTENER | | FASTENER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM FASTENER | | HEAD STYLE | HEADLESS (SETSCREW) | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | PATCH THREADS | | MATERIAL | PLASTIC LOCKING FEATURE | | MATERIAL | STEEL FASTENER | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT STYLE | HALF DOG | | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL | | SURFACE TREATMENT | OXIDE FASTENER | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNRC |
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