|
|
|
National Stock Number:
4820-01-457-9020
Federal Supply Class:
4820
National Item Identification Number:
014579020
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.
|
Manufacturer Information:
| 1385623 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385623-08XX-68 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
|
Techincal Specification:
| BODY INSIDE DIAMETER | 7.966 INCHES NOMINAL | | FLANGE DIAMETER | 9.188 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.343 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY SEAT | | NOMINAL THREAD SIZE | 8.750 INCHES SINGLE THREADED PORTION | | SPECIAL FEATURES | 4 EA LUGS EQUALLY SPACED; FOR GLOBE Y PATTERN VALVE SZ 8.000 IN. | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.750 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.875 INCHES NOMINAL |
|
|