NSN 4820-01-221-7338
Part Details | VALVE SEAT
4820-01-221-7338 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: 152F 4IN ITEM 6, 152F ITEM 6, 4820-01-221-7338, 01-221-7338, 4820012217338, 012217338
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | DEC 03, 1985 | 01-221-7338 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-221-7338
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 152F 4IN ITEM 6 | 79342 | WILLIAM E WILLIAMS, VALVE CORPDBA WILLIAMS VALVE |
| 152F ITEM 6 | 79342 | WILLIAM E WILLIAMS, VALVE CORPDBA WILLIAMS VALVE |
Technical Data | NSN 4820-01-221-7338
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 1.635 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 1.025 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.185 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.250 INCHES NOMINAL |
| SEATING SURFACE SHAPE | FLAT |
| SPECIAL FEATURES | SURFACE TREATMENT IS STELLITE |