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National Stock Number:
5305-00-520-6850
Federal Supply Class:
5305
National Item Identification Number:
005206850
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:
| 5206850 | 19206 | ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES MINIMUM | | FASTENER LENGTH | 2.625 INCHES NOMINAL | | MATERIAL | STEEL COMP 1030 OR | | STEEL COMP 1541 OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | HARDNESS RATING | 95.0 ROCKWELL B MINIMUM OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.328 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.625 INCHES NOMINAL | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | POINT STYLE | CHAMFER DOG | | POINT LENGTH | 2.250 INCHES NOMINAL | | POINT DIAMETER | 0.372 INCHES MINIMUM AND | | 0.374 INCHES MAXIMUM | | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | SPECIAL FEATURES | THD RELIVED UNDER HEAD,WASHER BEARING SURFACE 0.200 IN. THK |
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