The Actuator,flotation Gear, cataloged under National Stock Number 4220-01-372-2109, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-372-2109 |
| Item Name | Actuator,flotation Gear |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | PROVIDES PUSH BUTTON BUOYANCY CONTROL,PUSH BUTTONS ARE POSITIONED FOR ONE HAND OPERATION FOR EITHER INFLATION OR DEFLATION,WITH PNEUMATICALLY BALANCED INFLATION VALVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 21-626-000 | 3/9 Design control — primary reference Under Sea Industries Inc Sub of S C Johnson and Son Inc |
NSN 4220-01-372-2109 is a Actuator,flotation Gear, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
Key specifications for 4220-01-372-2109: General Characteristics Item Description: PROVIDES PUSH BUTTON BUOYANCY CONTROL,PUSH BUTTONS ARE POSITIONED FOR ONE HAND OPERATION FOR EITHER INFLATION OR DEFLATION,WITH PNEUMATICALLY BALANCED INFLATION VALVE. 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.
NSN 4220-01-372-2109 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.