5305-01-231-7388 SETSCREW Index 5305-01-231-7390 THUMBSCREW

National Stock Number:
5305-01-231-7389

Federal Supply Class:
5305

National Item Identification Number:
012317389

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:
522-2568791 PIECE 481316PORTSMOUTH NAVAL SHIPYARD


Techincal Specification:
FASTENER LENGTH1.219 INCHES NOMINAL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLESLOT
LOCKING FEATUREPELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
POINT LENGTH0.500 INCHES NOMINAL
POINT STYLEDOG
POINT DIAMETER0.156 INCHES NOMINAL
PROPRIETARY CHARACTERISTICSMRCS
NOMINAL THREAD DIAMETER0.375 INCHES
SPECIAL FEATURESTHREE SHOULDERS BETWEEN THREADED AREA AND POINT; FIRST SHOULDER FROM THREADED AREA,0.294 MIN. AND 0.295 MAX. DIA. 0.138 LENGTH,SECOND SHOULDER 0.184 MIN. AND 0.185 MAX. DIA. 0.099 LENGTH,THIRD SHOULDER 0.294 MIN. AND 0.295 MAX. DIA. 0.138 LENGTH
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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