NSN 4820-01-121-9812
Part Details | VALVE SEAT
4820-01-121-9812 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: 2621926X15 PIECE 12 12IN, 2621-926X15 PIECE 12 1-2IN, 2620926X4PC15 12, 2620-926X4PC15 1-2, 2620926X15 PIECE 15 12IN, 2620-926X15 PIECE 15 1-2IN, 5001003X3X252, 5001003-X3X2-52, 2621926X15 PIECE 12 12IN, 2621-926X15 PIECE 12 1-2IN, 2620926X4PC15 12, 2620-926X4PC15 1-2, 2620926X15 PIECE 15 12IN, 2620-926X15 PIECE 15 1-2IN, 2620926X15 PIE, 2620-926X15 PIE, N0002471C0311 PIECE 52, N00024-71-C-0311 PIECE 52, N0002471C0311, N00024-71-C-0311, 262192615PC12, 2621-926-15PC12, 80350010038332 PIECE 52, 803-5001003-8332 PIECE 52, 8035001003X3X252, 803-5001003-X3X2-52, 8035001003B33, 803-5001003-B33, 8035001003, 803-5001003, 8452110240REVBPC15 12, 845-2110240REVBPC15 1-2, 4820-01-121-9812, 01-121-9812, 4820011219812, 011219812
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | NOV 11, 1981 | 01-121-9812 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-01-121-9812
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2621-926X15 PIECE 12 1-2IN | 16626 | CIRCOR INTL INC |
| 2620-926X4PC15 1-2 | 16626 | CIRCOR INTL INC |
| 2620-926X15 PIECE 15 1-2IN | 16626 | CIRCOR INTL INC |
| 5001003-X3X2-52 | 96169 | ELECTRIC BOAT CORPORATION |
| 2621-926X15 PIECE 12 1-2IN | 96169 | ELECTRIC BOAT CORPORATION |
| 2620-926X4PC15 1-2 | 96169 | ELECTRIC BOAT CORPORATION |
| 2620-926X15 PIECE 15 1-2IN | 96169 | ELECTRIC BOAT CORPORATION |
| 2620-926X15 PIE | 96169 | ELECTRIC BOAT CORPORATION |
| N00024-71-C-0311 PIECE 52 | 96169 | ELECTRIC BOAT CORPORATION |
| N00024-71-C-0311 | 96169 | ELECTRIC BOAT CORPORATION |
| 2621-926-15PC12 | 35795 | LESLIE CONTROLS, INC. |
| 803-5001003-8332 PIECE 52 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-5001003-X3X2-52 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-5001003-B33 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-5001003 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 845-2110240REVBPC15 1-2 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-121-9812
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 1.680 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 1.433 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.575 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.125 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.153 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 35.000 NOMINAL |
| END ITEM IDENTIFICATION | NAVAL 3-WAY STANDARD 1/4 IN. THRU 2-1/2 IN. BALL VALVE |