The Valve,pneumatic Inflator, cataloged under National Stock Number 4220-01-561-3224, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Circor Aerospace Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-561-3224 |
| Primary Part Number | SE50890 |
| Item Name | Valve,pneumatic Inflator |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Circor Aerospace Inc |
| Status | ACTIVE |
| Usage Design | LIFEBOAT |
| Connection Type | UNTHREADED EXTERNAL HOSE ALL ENDS |
| Material | ALUMINUM ALLOY |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| IVA-A-7-4-1-1-4 | Circor Aerospace Inc (USA) |
| SE50890 PRIMARY | Circor Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| IVA-A-7-4-1-1-4 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Sei Products |
| SE50890 | 3/9 Design control — primary reference Circor Aerospace, Inc. Dba Sei Products |
NSN 4220-01-561-3224 is a Valve,pneumatic Inflator, manufactured by Circor Aerospace Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-561-3224 has 2 manufacturer part numbers on file: IVA-A-7-4-1-1-4 (Circor Aerospace Inc), SE50890 (Circor Aerospace Inc).
Key specifications for SE50890: Usage Design: LIFEBOAT; Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS; Special Features: USED TO INFLATE LIFERAFT; Part Name Assigned by Controlling Agency: INFLATION VALVE. 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.