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National Stock Number:
4820-01-433-8323
Federal Supply Class:
4820
National Item Identification Number:
014338323
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:
| 1385541 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385541-06X-26 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN | | OVERALL HEIGHT | 1.750 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 7.750 INCHES NOMINAL | | BODY INSIDE DIAMETER | 6.875 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A494, GRADE M30C ASSN STD SINGLE MATERIAL RESPONSE SEAT | | SEATING SURFACE SHAPE | FLAT | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 7.750 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.625 INCHES NOMINAL FIRST THREADED PORTION |
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