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National Stock Number:
5305-01-189-9839
Federal Supply Class:
5305
National Item Identification Number:
011899839
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:
| 52-W-2291-803 | 21439 | CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC | | 72531L-6C-20C | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| FASTENER LENGTH | 1.250 INCHES NOMINAL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM OVERALL | | HEAD DIAMETER | 0.556 INCHES MINIMUM AND 0.562 INCHES MAXIMUM | | HEAD HEIGHT | 0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | STRIP THREADS | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 150000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | WIDTH ACROSS FLATS | 0.1875 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNRC |
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