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National Stock Number:
5305-01-541-7566
Federal Supply Class:
5305
National Item Identification Number:
015417566
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:
| 4385049 ITEM 81 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 4385049 ITEM 81 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD STYLE | HEADLESS (SETSCREW) | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281, CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT CHAMFER ANGLE | 135.0 DEGREES NOMINAL | | POINT LENGTH | 0.125 INCHES NOMINAL | | POINT STYLE | FLAT | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND |
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