NSN 4820-00-456-5594
Part Details | VALVE SEAT
4820-00-456-5594 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: NL1781WNK2381, NL178-1WNK238-1, NL1781WITHNK2381, NL178-1WITHNK238-1, NL1781, NL178-1, NL01781, NL0178-1, 4820-00-456-5594, 00-456-5594, 4820004565594, 004565594
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | APR 25, 1969 | 00-456-5594 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 4820-00-456-5594
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NL178-1WNK238-1 | 93591 | PENTAIR VALVES & CONTROLS US LPDIV FLOW CONTROL US HOLDING CORP |
| NL178-1WITHNK238-1 | 93591 | PENTAIR VALVES & CONTROLS US LPDIV FLOW CONTROL US HOLDING CORP |
| NL178-1 | 93591 | PENTAIR VALVES & CONTROLS US LPDIV FLOW CONTROL US HOLDING CORP |
| NL0178-1 | 93591 | PENTAIR VALVES & CONTROLS US LPDIV FLOW CONTROL US HOLDING CORP |
Technical Data | NSN 4820-00-456-5594
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OVERALL HEIGHT | 1.500 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 4.188 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 1.063 INCHES NOMINAL |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
| SPECIAL FEATURES | NSN4820-00-456-5594 CONSISTS OF CAST STEEL SEAT WITH HARD FACING GIMPEL PART NO. NL178-1 ASSEMBLED WITH NITRALLOY BUSHING GIMPEL PART NO. NK238-1; SHOULD BE ASSEMBLED PRIOR TO FINISH MACHINING TO ASSURE PROPER CONCENTRICITIES |