4920-01-622-6435 FIXTURE,AIRCRAFT MAINTENANCE 2540-01-622-6548 BRACKET,VEHICULAR SEAT

National Stock Number:
5305-01-623-0875

Federal Supply Class:
5305

National Item Identification Number:
016230875

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
1400362419207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
3112BSCFLGZY565P3MILCOM SUPPLY, INC.


Techincal Specification:
COLORYELLOW OVERALL
FASTENER LENGTH0.92 INCHES NOMINAL
HEAD DIAMETER0.68 INCHES NOMINAL
HEAD STYLEDRIVE
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASME Y14.100 AND ASME Y14.5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.313 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,HEX SOCKET,FLANGE BUTTON,STEEL,YELLOW ZINC,5/16-18X
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.75 INCHES NOMINAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH18


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