The Piston,valve, cataloged under National Stock Number 4820-01-279-3090, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtis-Toledo, Inc.. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-279-3090 |
| Primary Part Number | 70123-11220 |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Curtis-Toledo, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| C70123-11220 | Curtis-Toledo, Inc. (USA) |
| 70123-11220 PRIMARY | Curtis-Toledo, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 70123-11220 | C/1 Advisory reference — outside the item-of-supply concept Magnolia Electric Motors Co Inc |
NSN 4820-01-279-3090 is a Piston,valve, manufactured by Curtis-Toledo, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-279-3090 has 2 manufacturer part numbers on file: C70123-11220 (Curtis-Toledo, Inc.), 70123-11220 (Curtis-Toledo, Inc.).
Key specifications for 70123-11220: Special Features: CRES; End Item Identification: CURTIS-TOLEDO MODEL E50 AIR COMPRESSOR. 0 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.