The Piston,valve, cataloged under National Stock Number 4810-01-360-2422, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-360-2422 |
| Primary Part Number | 1220D0725 |
| Item Name | Piston,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Valve Design Control Activity | 54497 |
| Material | NICKEL 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 |
|---|---|
| 1220D0725 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1220D0725 | 3/9 Design control — primary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 4810-01-360-2422 is a Piston,valve, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-360-2422 has 1 manufacturer part number on file: 1220D0725 (Lockheed Martin Corporation Div Rms).
Key specifications for 1220D0725: Overall Length: 4.312 INCHES NOMINAL IN; Valve Design Control Activity: 54497; Material: NICKEL ALLOY. 2 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.