|
|
|
National Stock Number:
4820-01-049-1382
Federal Supply Class:
4820
National Item Identification Number:
010491382
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:
| 803-2177934-REV.C-8XX-18 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-2177934-X8XX-18 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
|
Techincal Specification:
| BODY INSIDE DIAMETER | 1.627 INCHES NOMINAL | | FLANGE DIAMETER | 2.687 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.216 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY A OVERALL | | NOMINAL THREAD SIZE | 2.515 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 | 0.502 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.627 INCHES NOMINAL |
|