The Cylinder Head,infla, cataloged under National Stock Number 4220-01-472-6331, 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 Eastern Aero Marine, Inc. Dba Eastern Aero Marine Inc Div Eam Aviation. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-472-6331 |
| Primary Part Number | 511-59 |
| Item Name | Cylinder Head,infla |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Eastern Aero Marine, Inc. Dba Eastern Aero Marine Inc Div Eam Aviation |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 511-59 PRIMARY | Eastern Aero Marine, Inc. Dba Eastern Aero Marine Inc Div Eam Aviation (USA) |
NSN 4220-01-472-6331 is a Cylinder Head,infla, manufactured by Eastern Aero Marine, Inc. Dba Eastern Aero Marine Inc Div Eam Aviation, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-472-6331 has 1 manufacturer part number on file: 511-59 (Eastern Aero Marine, Inc. Dba Eastern Aero Marine Inc Div Eam Aviation).
Key specifications for 511-59: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: CYLINDER HEAD,INFLATION VALVE; End Item Identification: MODEL 8000 INFLATION VALVE ASSEMBLY,NINE-MAN LIFE RAFT NSN 3040013794965. 1 specification is 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.