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National Stock Number:
5305-00-416-2189
Federal Supply Class:
5305
National Item Identification Number:
004162189
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:
| 10-17820 | 59501 | UNISON INDUSTRIES LLC | | 10-17820 | 77820 | AMPHENOL CORP | | B3354-13 | 14541 | COOPER MACHINERY SERVICES LLC | | 10-92072-5 | 59501 | UNISON INDUSTRIES LLC |
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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 | | FASTENER LENGTH | 0.562 INCHES MINIMUM AND | | 0.572 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND | | 30.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.241 INCHES MINIMUM AND | | 0.251 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.245 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.401 INCHES MINIMUM AND | | 0.411 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.062 INCHES NOMINAL | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | POINT STYLE | FLAT | | SPECIAL FEATURES | ONE SIDE OF THREADED AREA GROUND FLAT |
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