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National Stock Number:
5305-00-144-8415
Federal Supply Class:
5305
National Item Identification Number:
001448415
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:
| 10246186 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNEF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.878 INCHES MINIMUM AND | | 0.922 INCHES MAXIMUM | | FASTENER LENGTH | 0.878 INCHES MINIMUM AND | | 0.922 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 OVERALL | | SURFACE TREATMENT | CADMIUM 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 MINIMUM AND | | 0.127 INCHES MAXIMUM | | POINT STYLE | OVAL |
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