NSN 4820-00-074-7991
Part Details | VALVE SEAT
4820-00-074-7991 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: 3379, 1356DPC17, 3379, 25400, 254-00, 254, 4820-00-074-7991, 00-074-7991, 4820000747991, 000747991
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUL 27, 1967 | 00-074-7991 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-00-074-7991
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3379 | 75545 | LAWLER MANUFACTURING CO. INC. |
| 1356DPC17 | 75545 | LAWLER MANUFACTURING CO. INC. |
| 3379 | 55378 | TRAC REGULATORS INC |
| 254-00 | 55378 | TRAC REGULATORS INC |
| 254 | 55378 | TRAC REGULATORS INC |
Technical Data | NSN 4820-00-074-7991
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | THREADED FLANGED |
| FLANGE DIAMETER | 1.750 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 1.313 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | FLAT |
