5305-00-292-8508 SCREW,MACHINE Index 1377-00-292-8512 CORD ASSEMBLY,DETONATING

National Stock Number:
5305-00-292-8511

Federal Supply Class:
5305

National Item Identification Number:
002928511

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:
511917PC210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
FASTENER LENGTH1.598 INCHES MINIMUM AND 1.602 INCHES MAXIMUM
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1020 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT STYLEFLAT
SPECIAL FEATURESUNTHREADED PORTION CASEHARDENED 0.003 TO 0.005 IN. DEEP TO RC 60 TO RC 65,0.375 IN. PLUS 0.125 IN. MINUS 0 LG
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.703 INCHES MINIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH20


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