8430-01-618-0452 BOOTS,FIREMEN'S 4820-01-618-1708 VALVE,BALL

National Stock Number:
5305-01-618-9048

Federal Supply Class:
5305

National Item Identification Number:
016189048

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:
407907232705606GENERAL DYNAMICS-OTS, INC.


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH35.0 MILLIMETERS NOMINAL
HANDLE DIAMETER11.7 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER12.7 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM
HEAD HEIGHT7.8 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM F835M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, BUTTON HEAD, HEXAGON SOCKET
PROPRIETARY CHARACTERISTICSPACS
MINIMUM TENSILE STRENGTH1200 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH1100 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
WIDTH ACROSS FLATS6.0 MILLIMETERS NOMINAL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THREAD CLASS6G
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.3


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