NSN 4820-00-972-9951
Part Details | VALVE SEAT
4820-00-972-9951 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: 2810100001PC4, 281010-0001PC4, 2018920001, 201892-0001, 14872311, 148723-11, 4820-00-972-9951, 00-972-9951, 4820009729951, 009729951
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1962 | 00-972-9951 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-00-972-9951
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 281010-0001PC4 | 99657 | MAROTTA CONTROLS, INC. |
| 201892-0001 | 99657 | MAROTTA CONTROLS, INC. |
| 148723-11 | 99657 | MAROTTA CONTROLS, INC. |
Technical Data | NSN 4820-00-972-9951
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 0.499 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.479 INCHES MINIMUM AND 0.483 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.280 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.081 INCHES MINIMUM AND 0.084 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.152 INCHES MINIMUM AND 0.154 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.010 INCHES NOMINAL |