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National Stock Number:
4820-01-264-7475
Federal Supply Class:
4820
National Item Identification Number:
012647475
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:
| 4820PL1443401 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 70069 | 63686 | THE WALWORTH COMPANY | | 803-1385714-8-0 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385714-8-6 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.062 INCHES NOMINAL | | OVERALL HEIGHT | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B164 ASSN STD 1ST MATERIAL RESPONSE OR QQ-N-286 FED SPEC 2ND MATERIAL RESPONSE OR QQ-N-288 FED SPEC 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 2.625 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | O-RING | | STYLE DESIGNATOR | PLAIN THREADED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.250 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
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