|
|
|
National Stock Number:
4820-01-225-4259
Federal Supply Class:
4820
National Item Identification Number:
012254259
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:
| 803-4384536-6XXX-13 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
|
Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 1.812 INCHES SINGLE THREADED PORTION | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SEAT ANGLE IN DEG | 0.750 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.266 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 20 SINGLE THREADED PORTION |
|
|