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National Stock Number:
5305-01-384-0909
Federal Supply Class:
5305
National Item Identification Number:
013840909
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:
| 28706-4C-4 | 56878 | SPS TECHNOLOGIES, LLC | | 901E324PC4 | 04241 | BECHTEL MARINE PROPULSION CORPORATION DBA KNOLLS ATOMIC POWER LABORATORY | | 94946-4C-4 | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNRC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.1735 INCHES MINIMUM | | FASTENER LENGTH | 0.240 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND | | 53.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | HEADLESS (SETSCREW) | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL | | POINT STYLE | HALF DOG |
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