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National Stock Number:
5305-00-723-0388
Federal Supply Class:
5305
National Item Identification Number:
007230388
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:
| 7230388 | 19206 | ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL |
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Techincal Specification:
| FASTENER LENGTH | 0.358 INCHES MINIMUM AND 0.368 INCHES MAXIMUM | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.438 INCHES NOMINAL | | HEAD HEIGHT | 0.100 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | POINT DIAMETER | 0.149 INCHES MINIMUM AND 0.154 INCHES MAXIMUM | | POINT LENGTH | 0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM | | POINT STYLE | CHAMFER DOG | | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | SPECIAL FEATURES | THD RELIEVED TO 0.255 IN. DIA UNDER HEAD | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.203 INCHES MINIMUM AND 0.223 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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