4030-01-617-1146 LINK,DETACHABLE 7220-01-618-7987 TREAD,NONMETALLIC,NONSKID

National Stock Number:
5305-01-617-7903

Federal Supply Class:
5305

National Item Identification Number:
016177903

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:
407687513705606GENERAL DYNAMICS-OTS, INC.


Techincal Specification:
PROPRIETARY CHARACTERISTICSPACS
MINIMUM TENSILE STRENGTH1040 MEGAPASCALS
MINIMUM YIELD STRENGTH940 MEGAPASCALS
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
WIDTH BETWEEN FLATS12.7 MILLIMETERS MINIMUM AND 13.0 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 OR PHOSPHATE ZINC OVERALL
THREAD CLASS6G
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH21.5 MILLIMETERS MINIMUM AND 22.5 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.3
COLOROLIVE DRAB OVERALL
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH39.5 MILLIMETERS MINIMUM AND 40.5 MILLIMETERS MAXIMUM
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT5.1 MILLIMETERS MINIMUM AND 5.5 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM F568M, GRADE 8.8, ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL PROPERTY CLASS 8.8 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, CAP, HEXAGON HEAD


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