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National Stock Number: 5305-00-474-0509
Federal Supply Class: 5305
National Item Identification Number: 004740509
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:
53428 | 28298 | SMITH AND SMITH AIRCRAFT CO | 53428 | 55284 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNF | NOMINAL THREAD DIAMETER | 0.250 INCHES | THREAD QUANTITY PER INCH | 28 | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.500 INCHES MINIMUM | FASTENER LENGTH | 0.688 INCHES NOMINAL | MATERIAL | STEEL COMP 4130 OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 30.0 ROCKWELL C MAXIMUM OVERALL | HEAD STYLE | HEADLESS (SETSCREW) | INTERNAL DRIVE STYLE | SLOT | POINT STYLE | FLAT | POINT LENGTH | 0.188 INCHES NOMINAL | POINT DIAMETER | 0.122 INCHES MINIMUM AND | | 0.124 INCHES MAXIMUM | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | THE MANUFACTURERS DATA | | MANUFACTURERS CODE | 28298 | DESIGN CONTROL REFERENCE | 53428 |
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