5305-01-078-5973 SCREW,MACHINE Index 5306-01-078-5977 BOLT,CLOSE TOLERANCE

National Stock Number:
5305-01-078-5975

Federal Supply Class:
5305

National Item Identification Number:
010785975

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:
1091167319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
FASTENER LENGTH5.500 INCHES NOMINAL
HEAD HEIGHT1.000 INCHES NOMINAL
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIALSTEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OR STEEL COMP 8645 OR STEEL COMP 8650 OR STEEL COMP 6150 OVERALL
NOMINAL THREAD DIAMETER2.000 INCHES
SPECIAL FEATURES3 LONGITUDINAL SLOTS EQUALLY SPACED 0.140 IN. W BY 0.220 IN. DP
POINT CHAMFER ANGLE90.0 DEGREES NOMINAL
POINT LENGTH0.750 INCHES NOMINAL
POINT STYLEFLAT
WIDTH BETWEEN FLATS1.681 INCHES MINIMUM AND 1.688 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325 TY 2,CL3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OR CADMIUM AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH4.500 INCHES NOMINAL
THREAD QUANTITY PER INCH8
THREAD SERIES DESIGNATORUN


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