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National Stock Number:
5305-00-770-7841
Federal Supply Class:
5305
National Item Identification Number:
007707841
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:
| 6765647 | 24617 | GENERAL MOTORS CORP | | 6765647 | 73342 | ALLISON TRANSMISSION INC | | 7707841 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| FASTENER LENGTH | 0.781 INCHES NOMINAL | | HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | HEADLESS (SETSCREW) | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 8750 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | POINT DIAMETER | 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM | | POINT LENGTH | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM | | POINT STYLE | FLAT | | WIDTH ACROSS FLATS | 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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