The Life Preserver,vest, cataloged under National Stock Number 4220-01-654-3706, 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, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-654-3706 |
| Primary Part Number | MD3183GS-188-0 |
| Item Name | Life Preserver,vest |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Mustang Survival, Inc. |
| Status | ACTIVE |
| Supplementary Features | FEATURES: FRONT ENTRY WITH BUCKLE FOR CONVENIENT DONNING AND DOFFING; HYDROSTATIC INFLATOR TECHNOLOGY (HIT) ONLY INFLATES WITH SUBMERTED IN 4" OR MORE OF WATER PRESSURE (NOT IN RAIN, SPRAY OR HIGH HUMIDITY);MANUAL INFLATION FEATURE; WATER RESISTANT POCKET; SAFETY WHISTLE; REFLECTIVE TAPE FOR LOW LIGHT CONDITIONS;HOLDER FOR A STROBE LIGHT; PROVIDES 38LBS OF BUOYANCY WHEN INFLATED LBS |
| Material | RUBBER CHLOROPRENE CLASS CR AND RUBBER SYNTHETIC FILLING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MD3183GS-188-0 PRIMARY | Mustang Survival, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MD3183 | 3/9 Design control — primary reference Mustang Survival, Inc. |
| MD3183 02 | 5/9 Secondary reference Mustang Survival, Inc. |
NSN 4220-01-654-3706 is a Life Preserver,vest, manufactured by Mustang Survival, Inc., classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-654-3706 has 1 manufacturer part number on file: MD3183GS-188-0 (Mustang Survival, Inc.).
Key specifications for MD3183GS-188-0: Supplementary Features: FEATURES: FRONT ENTRY WITH BUCKLE FOR CONVENIENT DONNING AND DOFFING; HYDROSTATIC INFLATOR TECHNOLOGY (HIT) ONLY INFLATES WITH SUBMERTED IN 4" OR MORE OF WATER PRESSURE (NOT IN RAIN, SPRAY OR HIGH HUMIDITY);MANUAL INFLATION FEATURE; WATER RESISTANT POCKET; SAFETY WHISTLE; REFLECTIVE TAPE FOR LOW LIGHT CONDITIONS;HOLDER FOR A STROBE LIGHT; PROVIDES 38LBS OF BUOYANCY WHEN INFLATED LBS; Special Features: COLOR: GRAY-BLACK; Part Name Assigned by Controlling Agency: INFLATABLE PFD; End Item Identification: 1940016158699. 2 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.