5305-01-557-0648 SCREW,MACHINE Index 5305-01-556-6579 SCREW,MACHINE

National Stock Number:
5305-01-557-8412

Federal Supply Class:
5305

National Item Identification Number:
015578412

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:
03274-0214153DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA
93190A54439428MCMASTER-CARR SUPPLY CO
M1406-458101A196NFMV, FORSVARETS MATERIELVERK - SWEDISH DEFENCE MATERIEL ADMINISTRATION


Techincal Specification:
HARDNESS RATING70.0 ROCKWELL B NOMINAL OVERALL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 316 OVERALL
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH3.000 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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