NSN 4820-01-087-7102
Part Details | VALVE SEAT
4820-01-087-7102 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: 875520611 ITEM 1, 87552-0611 ITEM 1, 5154695738 ITEM 1, 515-4695738 ITEM 1, 5154695738, 515-4695738, 4820-01-087-7102, 01-087-7102, 4820010877102, 010877102
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | DEC 22, 1979 | 01-087-7102 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
Cross Reference | NSN 4820-01-087-7102
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 87552-0611 ITEM 1 | 96169 | ELECTRIC BOAT CORPORATION |
| 515-4695738 ITEM 1 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 515-4695738 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-087-7102
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED |
| FLANGE DIAMETER | 18.630 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 15.240 INCHES MINIMUM AND 15.245 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 12.830 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 2.498 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.252 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 10.000 NOMINAL |
| SPECIAL FEATURES | FLANGE SURFACE HAS 12 0.546 IN. DIA HOLES EQUALLY SPACED ON 17.500 IN. BOLT CIRCLE; HOLES COUNTERBORED 0.800 IN. DIA AND 1.987 IN. DEPTH |