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National Stock Number:
4820-01-536-2124
Federal Supply Class:
4820
National Item Identification Number:
015362124
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:
| 803-4384536 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-4384536-34XX-85 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 0.875 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.869 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.655 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.156 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.156 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B164 AND ASTM A494, GRADE M30C NATIONAL SPEC ALL MATERIAL RESPONSES OR | | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | NONDEFINITIVE SPEC/STD DATA | M30C GRADE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAT RING |
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