NSN 4820-00-004-8139
Part Details | VALVE SEAT
4820-00-004-8139 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: 002181400030005, 002-18-14-0003-0005, 2181402BUNAN, 218-14-02BUNAN, 002181400030005, 002-18-14-0003-0005, 4820-00-004-8139, 00-004-8139, 4820000048139, 000048139
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) | 
|---|---|---|---|
| 48 | JUN 07, 1972 | 00-004-8139 | 22113 ( SEAT, VALVE ) | 
REFERENCE DRAWINGS & PICTURES
PLAIN FLANGED
					Cross Reference | NSN 4820-00-004-8139
| Part Number | Cage Code | Manufacturer | 
|---|---|---|
| 002-18-14-0003-0005 | 16626 | CIRCOR INTL INC | 
| 218-14-02BUNAN | 16626 | CIRCOR INTL INC | 
| 002-18-14-0003-0005 | 35795 | LESLIE CONTROLS, INC. | 
Technical Data | NSN 4820-00-004-8139
| Characteristic | Specifications | 
|---|---|
| STYLE DESIGNATOR | PLAIN FLANGED | 
| FLANGE DIAMETER | 2.430 INCHES NOMINAL | 
| BODY OUTSIDE DIAMETER | 2.180 INCHES NOMINAL | 
| BODY INSIDE DIAMETER | 1.250 INCHES NOMINAL | 
| FLANGE SEAT TO DISK END HEIGHT | 0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM | 
| UNDER FLANGE HEIGHT | 0.130 INCHES NOMINAL | 
| SEATING SURFACE SHAPE | ANGULAR | 
| SEAT ANGLE IN DEG | 0.583 NOMINAL |