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National Stock Number:
4820-01-524-1901
Federal Supply Class:
4820
National Item Identification Number:
015241901
Description:
SEAT,VALVE
Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
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Manufacturer Information:
| 506-5588322 2.5IN PART NO 20 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 506-7503537 2.5IN PART NO 33 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 7503537 | 43689 | HUNTINGTON INGALLS INC | | 5588322 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN THREADED | | OVERALL HEIGHT | 0.500 INCHES NOMINAL | | BODY INSIDE DIAMETER | 2.750 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL. A FED SPEC SINGLE MATERIAL RESPONSE SEAT | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAT RING |
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