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National Stock Number:
5305-01-333-9881
Federal Supply Class:
5305
National Item Identification Number:
013339881
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:
| 524-6603688-VHBA-89 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5959303-78 | 96169 | ELECTRIC BOAT CORPORATION | | 803-5959303-X-78 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 4.000 INCHES NOMINAL | | HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 1.107 INCHES MINIMUM AND 1.125 INCHES MAXIMUM | | HEAD HEIGHT | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM YIELD STRENGTH | 153000 POUNDS PER SQUARE INCH | | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TY 2 CL 3 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-87115,CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM AND CHROMATE OR ZINC AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 3.800 INCHES MINIMUM AND 4.000 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNRC | | THREAD QUANTITY PER INCH | 10 |
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