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National Stock Number:
5305-00-372-9989
Federal Supply Class:
5305
National Item Identification Number:
003729989
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:
| 035224-104 | 89305 | SIMMONDS PRECISION PRODUCTS INC | | 1-72UNF3A1-8 | 70318 | ALLMETAL SCREW PRODUCTS CORP |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.073 INCHES | | THREAD QUANTITY PER INCH | 72 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.115 INCHES MINIMUM AND | | 0.135 INCHES MAXIMUM | | FASTENER LENGTH | 0.115 INCHES MINIMUM AND | | 0.135 INCHES MAXIMUM | | MATERIAL | STEEL COMP 302 OR | | STEEL COMP 303 OR | | STEEL COMP 304 OR | | STEEL COMP 316 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | HEADLESS (SETSCREW) | | INTERNAL DRIVE STYLE | FOUR SPLINE | | SPLINE MINOR DIAMETER | 0.025 INCHES MINIMUM AND | | 0.026 INCHES MAXIMUM | | SPLINE MAJOR DIAMETER | 0.034 INCHES MINIMUM AND | | 0.035 INCHES MAXIMUM | | SPLINE WIDTH | 0.011 INCHES MINIMUM AND | | 0.012 INCHES MAXIMUM | | POINT STYLE | CUP |
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