The Life Preserver,vest, cataloged under National Stock Number 4220-01-504-8280, 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 Mustang Survival Mfg, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4220-01-504-8280 |
| Primary Part Number | MD3040-3-2XL |
| Item Name | Life Preserver,vest |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Mustang Survival Mfg, Inc |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| 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 |
|---|---|
| MD3040-3-2XL | Mustang Survival Mfg, Inc (USA) |
| CMV-1001-43 | Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc (USA) |
| Reference | Meaning |
|---|---|
| MD3040-COM-XXL-GR | 5/9 Secondary reference Mustang Survival Mfg, Inc. |
| I446GRN-06-NAV | 3/9 Design control — primary reference Coleman Company, Inc., the Dba Coleman |
NSN 4220-01-504-8280 is a Life Preserver,vest, manufactured by Mustang Survival Mfg, Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-504-8280 has 2 manufacturer part numbers on file: MD3040-3-2XL (Mustang Survival Mfg, Inc), CMV-1001-43 (Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc).
Key specifications for MD3040-3-2XL: Criticality Code Justification: FEAT; Special Features: VEST ASSEMBLY LIFE PRESERVER; MK-1 (X-X-LARGE); COLOR GREEN. 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.