5305-00-721-5523 SCREW,EXTERNALLY RELIEVED BODY Index 5305-00-721-5527 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-721-5526

Federal Supply Class:
5305

National Item Identification Number:
007215526

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:
AN565A416-1488044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
FFS103TYPE2STYLE481348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH0.875 INCHES NOMINAL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.250 INCHES
POINT STYLEFLAT
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.875 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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