NSN 4820-01-253-7662
Part Details | VALVE SEAT
4820-01-253-7662 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: 442R021, 4820-01-253-7662, 01-253-7662, 4820012537662, 012537662
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | APR 24, 1987 | 01-253-7662 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
THREADED FLANGED
Cross Reference | NSN 4820-01-253-7662
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 442R021 | 98939 | AEROCONTROLEX GROUP, INC.DBA AEROCONTROLEX |
Technical Data | NSN 4820-01-253-7662
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 1 THREADED FLANGED |
| OVERALL HEIGHT | 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 0.435 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.218 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 43.000 NOMINAL |
| TAPER MINOR DIAMETER | 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM |
| TAPER MAJOR DIAMETER | 0.435 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| TAPER LENGTH | 0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM |
| FSC APPLICATION DATA | AIRCRAFT HYDRAULIC SYSTEM |