5305-00-903-7298 SCREW,CAP,HEXAGON HEAD Index 5305-00-903-7300 SCREW,TAPPING

National Stock Number:
5305-00-903-7299

Federal Supply Class:
5305

National Item Identification Number:
009037299

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.


Manufacturer Information:
800188719207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
FASTENER LENGTH0.516 INCHES MINIMUM AND 0.547 INCHES MAXIMUM
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT CHAMFER ANGLE44.0 DEGREES NOMINAL AND 46.0 DEGREES MAXIMUM
POINT DIAMETER0.145 INCHES MINIMUM AND 0.148 INCHES MAXIMUM
POINT LENGTH0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
POINT STYLECHAMFER DOG
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.291 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM


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