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National Stock Number:
4820-01-511-3905
Federal Supply Class:
4820
National Item Identification Number:
015113905
Description:
DISK,VALVE
Detail:
An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.
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Manufacturer Information:
| 2177917 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 2177917-10-25 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 253871 | 43689 | HUNTINGTON INGALLS INC | | 253871 PC 5 | 43689 | HUNTINGTON INGALLS INC | | 253871 PC 5 & PC 6 | 43689 | HUNTINGTON INGALLS INC | | 4354-W05F-183 | 76364 | MILWAUKEE VALVE CO, INC |
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Techincal Specification:
| MATERIAL | NICKEL ALLOY | | MEDIA FOR WHICH DESIGNED | GAS OR OIL OR WATER | | PRESSURE RATING | 250.0 POUNDS PER SQUARE INCH NOMINAL | | SEAT ANGLE | 5.0 DEGREES NOMINAL | | SPECIAL FEATURES | MATERIAL SPEC IS ASTM A494 GRADE M30C. NEXT HIGHER ASSEMBLY: 4820-01-467-6910, 4820-01-541-5700, 4820-01-467-6910, 4820-01-474-1716, 10 INCH GATE VALVE IAW MIL-V-1189 | | STYLE DESIGNATOR | SOLID WEDGE | | SUPPLEMENTARY FEATURES | SUPPLIED WITH EXCESS MATERIAL ON THE SEATING SURFACE THAT MUST BE MACHINED OFF WHEN FITTING NEW SEAT AND WEDGE. REPLACES 4820-01-455-5005 DUE TO DESIGN CHANGE FOR A ONE-PIECE CAST WEDGE THAT REPLACES A TWO-PIECE, BRAZED WEDGE. | | TAPER LENGTH | 11.188 INCHES NOMINAL | | TAPER MAJOR DIAMETER | 3.758 INCHES NOMINAL | | TAPER MINOR DIAMETER | 1.774 INCHES NOMINAL |
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