Part Details | VALVE DISK
4820-01-387-4204 An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.
Alternate Parts: 256101 ITEM 6, 256101 ITEM 6L1, 4820-01-387-4204, 01-387-4204, 4820013874204, 013874204
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAR 04, 1994 | 01-387-4204 | 35224 ( DISK, VALVE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-387-4204
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 256101 ITEM 6 | 43689 | HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS |
| 256101 ITEM 6L1 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
Technical Data | NSN 4820-01-387-4204
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD SIZE | 1.250 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 2A |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |