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National Stock Number:
5305-01-547-5255
Federal Supply Class:
5305
National Item Identification Number:
015475255
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.
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Manufacturer Information:
| 93190A307 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 316 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW HEX HEAD, HEX HEAD CAP SCREWS | | SPECIAL FEATURES | FULLY THREADED TYPE 316 STAINLESS STEEL. TYPE 316 STAINLESS STEEL CONTAINS MOLYBDENUM, MAY BE MILDLY MAGNETIC. ROCKWELL HARDNESS IS A MINIMUN OF B70. MINIMUM TENSILE STRENGHT IS 70,000PSI. SCREWS HAVE A CLASS 2A THREAD FIT. LENGTH IS MEASURED FROM UNDER HEAD. | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.875 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF |
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