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National Stock Number:
4820-01-075-8211
Federal Supply Class:
4820
National Item Identification Number:
010758211
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:
| 2620-922X2 | 96169 | ELECTRIC BOAT CORPORATION | | 2620-922X2 PIECE 4 3IN | 96169 | ELECTRIC BOAT CORPORATION | | 600285 | 95995 | WALWORTH CO THE | | 7584-39-1 | 95995 | WALWORTH CO THE | | 7584-39-Y | 95995 | WALWORTH CO THE | | 7584-39Y | 63686 | THE WALWORTH COMPANY | | NR10911-5 PIECE 4 3IN VL | 63686 | THE WALWORTH COMPANY | | SS845-1889553 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SS845-1889553 PIECE4 3IN | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.000 INCHES NOMINAL | | OVERALL HEIGHT | 0.625 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 3.875 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 55.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SPECIAL FEATURES | W/FOUR 0.500 IN. BY 0.438 IN. BY 0.094 IN. WRENCHING GROOVES ON ID | | STYLE DESIGNATOR | PLAIN THREADED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.250 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |
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