NSN 4820-01-203-7641
Part Details | VALVE SEAT
4820-01-203-7641 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: 17552A, 17552-A, 4820-01-203-7641, 01-203-7641, 4820012037641, 012037641
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAR 19, 1985 | 01-203-7641 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-203-7641
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 17552-A | 32869 | O. C. KECKLEY COMPANY |
Technical Data | NSN 4820-01-203-7641
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 3.438 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 2.750 INCHES MINIMUM AND 2.752 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.750 INCHES NOMINAL |
| SEATING SURFACE SHAPE | FLAT |
| END ITEM IDENTIFICATION | MODEL 114 SIZE 4 |