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National Stock Number:
4820-01-075-3494
Federal Supply Class:
4820
National Item Identification Number:
010753494
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:
| 803-21779-5XX-1 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-2177934 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-4XX-19 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-2177934-556-19 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-5XX | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-2177934-5XX | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-X4XX-19 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-X4XX/X5XX-19 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-2177934-X4XX1X5XX-19 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-X4XXX5XX-19 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.000 INCHES NOMINAL | | FLANGE DIAMETER | 1.562 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-288 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY A OR NICKEL ALLOY B OVERALL | | NOMINAL THREAD SIZE | 1.375 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.359 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 20 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.375 INCHES NOMINAL |
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