NSN 4820-01-342-1731
Part Details | VALVE SEAT
4820-01-342-1731 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: 8543009440VM, 8543-009-440VM, 738111308543009440VM, 73811-130/8543-009-440VM, 8543009440VM, 8543-009-440VM, 8543009440, 8543-009-440, 738111308543009440, 73811-130/8543-009-440, 4820-01-342-1731, 01-342-1731, 4820013421731, 013421731
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUL 16, 1991 | 01-342-1731 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-01-342-1731
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8543-009-440VM | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 73811-130/8543-009-440VM | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 8543-009-440VM | 57574 | VELAN VALVE CORPORATION |
| 8543-009-440 | 57574 | VELAN VALVE CORPORATION |
| 73811-130/8543-009-440 | 57574 | VELAN VALVE CORPORATION |
Technical Data | NSN 4820-01-342-1731
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 4.895 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 4.500 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 4.000 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.937 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.156 INCHES NOMINAL |
| SEATING SURFACE SHAPE | O-RING |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| END ITEM IDENTIFICATION | SWING CHECK VALVE |