4820-01-613-9473 COVER PLATE,VALVE 5826-01-617-4715 NRP,CABLE ASSY,RAD

National Stock Number:
5305-01-618-7417

Federal Supply Class:
5305

National Item Identification Number:
016187417

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
407687112905606GENERAL DYNAMICS-OTS, INC.


Techincal Specification:
FASTENER LENGTH20.0 MILLIMETERS NOMINAL
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT9.7 MILLIMETERS MINIMUM AND 10.3 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM F568M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL PROPERTY CLASS 8.8 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, HEXAGON HEAD, CAP
PROPRIETARY CHARACTERISTICSPACS
MINIMUM TENSILE STRENGTH1040 MEGAPASCALS
MINIMUM YIELD STRENGTH940 MEGAPASCALS
NOMINAL THREAD DIAMETER16.0 MILLIMETERS
WIDTH BETWEEN FLATS23.7 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM F1941M, TYPE 5DT ASSN STD SINGLE TREATMENT RESPONSE OR ASTM B633, SC, TYPE VI ASSN STD SINGLE TREATMENT RESPONSE OR ASTM F1137, GRADE 111 ZINC PHOSPHATE ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS6G
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH30.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS2.0


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