|
|
|
National Stock Number:
4820-00-024-1430
Federal Supply Class:
4820
National Item Identification Number:
000241430
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:
| 25867ALT10PCV3 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | 25867V3 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | 490366ALT10PCV3 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
|
Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-N-20164 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 4.875 INCHES SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.625 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION |
|