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National Stock Number:
5305-00-493-3723
Federal Supply Class:
5305
National Item Identification Number:
004933723
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:
| 509440-68 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2 |
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Techincal Specification:
| FASTENER LENGTH | 1.000 INCHES NOMINAL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.375 INCHES MAXIMUM | | HEAD DIAMETER | 0.563 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | WIDTH ACROSS FLATS | 0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNC |
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