5305-01-556-2598 SCREW,MACHINE Index 5305-01-556-0149 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-555-5997

Federal Supply Class:
5305

National Item Identification Number:
015555997

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:
1002625461C19MIL-COTS CORPORATION
10823-036790Y3H3FASTENAL COMPANY
35249270260Y3H3FASTENAL COMPANY
352492702645152OSHKOSH CORP
352492745152OSHKOSH CORP
352492702675Q65OSHKOSH DEFENSE LLC


Techincal Specification:
EXTENDED WASHER DIAMETER18.000 MILLIMETERS NOMINAL
FASTENER LENGTH24.580 MILLIMETERS MINIMUM AND 25.420 MILLIMETERS MAXIMUM
HEAD HEIGHT8.100 MILLIMETERS NOMINAL
HEAD STYLECHAMFER FLANGE
MATERIAL DOCUMENT AND CLASSIFICATIONISO 898-1 OR ASTM F568M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, CAP, HEXAGON HEAD
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
WIDTH BETWEEN FLATS12.570 MILLIMETERS MINIMUM AND 13.000 MILLIMETERS MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH4.000 MILLIMETERS MINIMUM AND 12.880 MILLIMETERS MAXIMUM
THREAD PITCH IN MILLIMETERS1.25


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