The Life Preserver,vest, cataloged under National Stock Number 4220-01-573-8409, 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 Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc. Government technical data includes 10 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-573-8409 |
| Primary Part Number | S41150-7409999068 |
| Item Name | Life Preserver,vest |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc |
| Status | ACTIVE |
| Collar | INCLUDED |
| Unit Package Type | BAG |
| Gas Cylinder | INCLUDED |
| Fastening Method | NYLON WEBBING |
| Unit Package Quantity | 1 |
| Base Width | 7.500 INCHES NOMINAL IN |
| Size Designation | ADULT |
| Height | 2.500 INCHES NOMINAL IN |
| Color | ORANGE |
| 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 |
|---|---|
| S41150-7409999068 PRIMARY | Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc (USA) |
NSN 4220-01-573-8409 is a Life Preserver,vest, manufactured by Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-573-8409 has 1 manufacturer part number on file: S41150-7409999068 (Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 4220-01-656-3913. Verify interchangeability with system specifications before substitution.
Key specifications for S41150-7409999068: Collar: INCLUDED; Unit Package Type: BAG; Gas Cylinder: INCLUDED; Fastening Method: NYLON WEBBING. 10 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.