NSN 4820-01-103-3291
Part Details | VALVE SEAT
4820-01-103-3291 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: 262192202 ITEM 563IN, 2621-922-02 ITEM 56-3IN, 8451889553 PIECE 313IN, 845-1889553 PIECE 31-3IN, 8451889553, 845-1889553, 262192202 ITEM 563IN, 2621-922-02 ITEM 56-3IN, 4820-01-103-3291, 01-103-3291, 4820011033291, 011033291
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | NOV 12, 1980 | 01-103-3291 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-103-3291
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2621-922-02 ITEM 56-3IN | 96169 | ELECTRIC BOAT CORPORATION |
| 845-1889553 PIECE 31-3IN | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 845-1889553 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 2621-922-02 ITEM 56-3IN | 63686 | THE WALWORTH COMPANY |
Technical Data | NSN 4820-01-103-3291
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 3.719 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 2.875 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.250 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.469 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 15.000 NOMINAL |
| SPECIAL FEATURES | FOUR LUGS 0.250 IN. W,0.125 IN. DEEP EQUALLY SPACED |