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National Stock Number:
4820-01-067-9722
Federal Supply Class:
4820
National Item Identification Number:
010679722
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:
| 803-1385637 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385637-04X-08 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385637PC8 4IN | 53711 | NAVAL SEA SYSTEMS COMMAND | | 810-1385637PC8 4IN VALVE | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-B85637-03X-08 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 810-1385637 PIE | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 4.812 INCHES NOMINAL | | BODY INSIDE DIAMETER | 3.938 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.250 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.531 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SEATING SURFACE SHAPE | FLAT | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 4.531 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.531 INCHES NOMINAL SINGLE THREADED PORTION | | SPECIAL FEATURES | FOR 4 IN. VALVE |
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