NSN 4820-01-178-2973
Part Details | VALVE SEAT
4820-01-178-2973 A replaceable item designed to provide a 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.
Alternate Parts: 153972, 15397-2, 15397, NB21539733, C3415PL2041 ITEM 4, 4820-01-178-2973, 01-178-2973, 4820011782973, 011782973
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 03, 1984 | 01-178-2973 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 4820-01-178-2973
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 15397-2 | 35795 | LESLIE CONTROLS, INC. |
| 15397 | 35795 | LESLIE CONTROLS, INC. |
| NB21539733 | 35795 | LESLIE CONTROLS, INC. |
| C3415PL2041 ITEM 4 | 35795 | LESLIE CONTROLS, INC. |
Technical Data | NSN 4820-01-178-2973
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OVERALL HEIGHT | 0.438 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 2.984 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 1.949 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
| SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| END ITEM IDENTIFICATION | WHIDBEY ISLAND CLASS LSD |