5305-01-517-4975 SCREW,CLOSE TOLERANCE Index 5305-01-548-7761 SCREW,MACHINE

National Stock Number:
5305-01-541-7554

Federal Supply Class:
5305

National Item Identification Number:
015417554

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:
4385049 ITEM 7953711NAVAL SEA SYSTEMS COMMAND
4385049 ITEM 7980064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.375 INCHES NOMINAL
MATERIALNICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281, CL A,FF-S-200, TY 1 AND 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
POINT STYLECONE
POINT LENGTH0.150 INCHES NOMINAL
POINT CHAMFER ANGLE135.0 DEGREES NOMINAL


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