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National Stock Number:
4820-01-173-1231
Federal Supply Class:
4820
National Item Identification Number:
011731231
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:
| EEP-54-ASX | 16199 | ERNST FLOW INDUSTRIES LLC | | EEP-54-ASX DETAIL 12 | 16199 | ERNST FLOW INDUSTRIES LLC | | EEP-54-ASX-12 | 55260 | GIL, INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.283 INCHES NOMINAL | | FLANGE DIAMETER | 0.634 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.194 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.500 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 50.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.400 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.503 INCHES NOMINAL |
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