NSN 4820-01-178-8686
Part Details | VALVE SEAT
4820-01-178-8686 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: 8731 PIECE 4, 20212FIND5, A7440.002.128SPCLN, 4820-01-178-8686, 01-178-8686, 4820011788686, 011788686
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 10, 1984 | 01-178-8686 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN THREADED
Cross Reference | NSN 4820-01-178-8686
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8731 PIECE 4 | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
| 20212FIND5 | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
| A7440.002.128SPCLN | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
Technical Data | NSN 4820-01-178-8686
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN THREADED |
| OVERALL HEIGHT | 1.250 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.750 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |