The Disk,valve, cataloged under National Stock Number 4820-01-072-1204, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-072-1204 |
| Primary Part Number | 803-1385637-04X-17 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Flange Diameter | 4.922 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Material | COPPER ALLOY 922 |
| Shank Diameter | 1.750 INCHES NOMINAL IN |
| Media for Which Designed | WATER OR OIL OR GAS |
| Flange Seat to Disk End Height | 1.641 INCHES NOMINAL IN |
| Pressure Rating | 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1385637 | Naval Ship Systems Command (USA) |
| 1385637-04-17 | Naval Ship Systems Command (USA) |
| 803-1385637-04X-17 PRIMARY | Naval Ship Systems Command (USA) |
| 803-1385637-04- | Naval Ship Systems Command (USA) |
| 810-1385637PC4 4IN VALVE | Naval Sea Systems Command (USA) |
| 803-1385637 | Naval Ship Systems Command (USA) |
NSN 4820-01-072-1204 is a Disk,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-072-1204 has 6 cross-referenced part numbers: 1385637 (Naval Ship Systems Command), 1385637-04-17 (Naval Ship Systems Command), 803-1385637-04X-17 (Naval Ship Systems Command), 803-1385637-04- (Naval Ship Systems Command), 810-1385637PC4 4IN VALVE (Naval Sea Systems Command) and 1 more.
There are 12 known substitutes for 4820-01-072-1204: 4820-00-058-3630, 4820-00-489-5314, 4820-00-878-4325 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 803-1385637-04X-17: Flange Diameter: 4.922 INCHES NOMINAL IN; Overall Height: 2.469 INCHES NOMINAL IN; Material Document and Classification: ASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE; Material: COPPER ALLOY 922. 8 total characteristics are documented in the Federal Logistics Information System.