The Disk,valve, cataloged under National Stock Number 4820-00-202-9256, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-202-9256 |
| Primary Part Number | NC3040PC95 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Pressure Rating | 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Temp Rating | 425.0 FAHRENHEIT NOMINAL DEGF |
| Outside Diameter | 2.985 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Inside Diameter | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Media for Which Designed | STEAM |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| NC3040PC95 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
| B2472 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
| S4700-3006523PC11 PRIMARY | Naval Sea Systems Command (USA) |
| NC600PC11 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
| Reference | Meaning |
|---|---|
| S4700-3006523PC11 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-202-9256 is a Disk,valve, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-202-9256 has 4 manufacturer part numbers on file: NC3040PC95 (Dresser Industries Inc Leroi Div), B2472 (Dresser Industries Inc Leroi Div), S4700-3006523PC11 (Naval Sea Systems Command), NC600PC11 (Dresser Industries Inc Leroi Div).
Key specifications for NC3040PC95: Overall Height: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Pressure Rating: 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 425.0 FAHRENHEIT NOMINAL DEGF; Outside Diameter: 2.985 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN. 7 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.