5305-01-308-9244 SETSCREW Index 5305-01-308-9246 THUMBSCREW

National Stock Number:
5305-01-308-9245

Federal Supply Class:
5305

National Item Identification Number:
013089245

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:
624285053711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.688 INCHES NOMINAL
SURFACE TREATMENTCERAMIC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-81751,TY 1 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
COLORGRAY/GREY OVERALL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
POINT STYLECHAMFER DOG
POINT DIAMETER0.2495 INCHES MINIMUM AND
0.2505 INCHES MAXIMUM
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL


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