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National Stock Number:
5305-01-556-0548
Federal Supply Class:
5305
National Item Identification Number:
015560548
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| 92185A599 | 3A054 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| FASTENER LENGTH | 3.500 INCHES NOMINAL | | HARDNESS RATING | 70.0 ROCKWELL B NOMINAL OVERALL | | HEAD STYLE | FLAT CHAMFER | | MATERIAL | STEEL COMP 316 OVERALL | | MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SOCKET HEAD CAP SCREW | | SPECIAL FEATURES | CONTAINS MOLYBDENUM WHICH INCREASES CORROSION RESISTANCE TO CHLORIDES AND SULFATES; MILDLY MAGNETIC; PARTIALLY THREADED | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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