The Disk,valve, cataloged under National Stock Number 4820-01-273-1207, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cincinnati Valve Company. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-273-1207 |
| Primary Part Number | B37801 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cincinnati Valve Company |
| Status | ACTIVE |
| Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Media for Which Designed | STEAM OR OIL |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B37801 PRIMARY | Cincinnati Valve Company (USA) |
| Reference | Meaning |
|---|---|
| B37801 | 3/9 Design control — primary reference Lunkenheimer Co |
| 2157 ITEM 3 3IN | 5/9 Secondary reference Lunkenheimer Co |
| B3701 | 5/9 Secondary reference Lunkenheimer Co |
NSN 4820-01-273-1207 is a Disk,valve, manufactured by Cincinnati Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-273-1207 has 1 manufacturer part number on file: B37801 (Cincinnati Valve Company).
Key specifications for B37801: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF; Media for Which Designed: STEAM OR OIL; Material: COPPER ALLOY. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.