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National Stock Number:
4820-00-504-8129
Federal Supply Class:
4820
National Item Identification Number:
005048129
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:
| 26YD-801X2PC1 | 96169 | ELECTRIC BOAT CORPORATION | | 516-4391370 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 72791-21X03 | 96169 | ELECTRIC BOAT CORPORATION | | 72791-21X3PC17 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.325 INCHES NOMINAL | | FLANGE DIAMETER | 0.750 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.100 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.625 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | SURFACE TREATMENT | CHROMATE OVERALL | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.306 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.312 INCHES NOMINAL |
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