NSN 4820-01-054-8977
Part Details | VALVE SEAT
4820-01-054-8977 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: 264286001 ITEM 12, 2642-860-01 ITEM 12, 2640801X01 PIECE 28, 2640-801X01 PIECE 28, 264080101 PIECE 28, 2640-801-01 PIECE 28, 8454687581 ITEM 12Q3, 845-4687581 ITEM 12Q3, 264286001 ITEM 12Q3, 2642-860-01 ITEM 12Q3, 2640801X01 PIECE 28Q3, 2640-801X01 PIECE 28Q3, 264080101 PIECE 28Q3, 2640-801-01 PIECE 28Q3, 8454687581 ITEM 12, 845-4687581 ITEM 12, 4820-01-054-8977, 01-054-8977, 4820010548977, 010548977
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 28, 1978 | 01-054-8977 | 22113 ( SEAT, VALVE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-054-8977
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2642-860-01 ITEM 12 | 96169 | ELECTRIC BOAT CORPORATION |
| 2640-801X01 PIECE 28 | 96169 | ELECTRIC BOAT CORPORATION |
| 2640-801-01 PIECE 28 | 96169 | ELECTRIC BOAT CORPORATION |
| 845-4687581 ITEM 12Q3 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 2642-860-01 ITEM 12Q3 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 2640-801X01 PIECE 28Q3 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 2640-801-01 PIECE 28Q3 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 845-4687581 ITEM 12 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-054-8977
| Characteristic | Specifications |
|---|---|
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |