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National Stock Number:
4820-01-429-8422
Federal Supply Class:
4820
National Item Identification Number:
014298422
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:
| 2177917 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 51187-N-184 | 76364 | MILWAUKEE VALVE CO, INC | | 803-2177917 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-2177917-4-30 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-2177917-45 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177917 PC 30 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | MB2502E-0400-30 | 11859 | HUNT VALVE COMPANY, INC. | | MB2502E-0400-30 | 30263 | PIMA VALVE, LLC |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN | | OVERALL HEIGHT | 0.688 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.813 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 4.062 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY 400 OR | | NICKEL ALLOY SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 ANL FED SPEC SINGLE MATERIAL RESPONSE OR | | ASTM A494, GRADE M30H ASSN STD SINGLE MATERIAL RESPONSE SEAT | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 4.000 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 4.8125 INCHES NOMINAL SINGLE THREADED PORTION | | SPECIAL FEATURES | E/I:4 INCH GATE VALVE |
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