The Bladder Assembly,life Preserver, cataloged under National Stock Number 4220-01-646-0816, 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 Lifesaving Systems Llc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-646-0816 |
| Primary Part Number | 482-1 |
| Item Name | Bladder Assembly,life Preserver |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Lifesaving Systems Llc |
| Status | ACTIVE |
| Gas Cylinder | NOT INCLUDED |
| Buoyancy Method | GAS INFLATED OR ORALLY INFLATED |
| 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 |
|---|---|
| 482-1 PRIMARY | Lifesaving Systems Llc (USA) |
NSN 4220-01-646-0816 is a Bladder Assembly,life Preserver, manufactured by Lifesaving Systems Llc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-646-0816 has 1 manufacturer part number on file: 482-1 (Lifesaving Systems Llc).
Key specifications for 482-1: Gas Cylinder: NOT INCLUDED; Part Name Assigned by Controlling Agency: REPLACEMENT BLADDER; End Item Identification: USED ON INFLATABLE SAR(SEARCH AND RESCUE) VEST NO. 482(LPU-28 A/P) A; Buoyancy Method: GAS INFLATED OR ORALLY INFLATED. 2 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.