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National Stock Number:
4820-01-295-3785
Federal Supply Class:
4820
National Item Identification Number:
012953785
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:
| 803-2177934 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-X6X | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | 803-2177934-X6XX-18 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.297 INCHES NOMINAL | | FLANGE DIAMETER | 2.117 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.216 NOMINAL INCHES | | NOMINAL THREAD SIZE | 1.938 INCHES SINGLE THREADED PORTION | | MATERIAL | NICKEL ALLOY OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.472 INCHES NOMINAL | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD LENGTH | 0.172 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION |
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