The Bladder Assembly,life Preserver, cataloged under National Stock Number 4220-01-584-9073, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Bladder Assembly,life Preserver |
| FSC / FSG | 4220 — Marine Lifesaving and Diving Equipment (FSG 42) |
| Manufacturers | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc (CAGE 78673) |
| Parameter | Value |
|---|---|
| NSN | 4220-01-584-9073 |
| Primary Part Number | S-2450-105 |
| Item Name | Bladder Assembly,life Preserver |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 1957AS500 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| S-2450-105 PRIMARY | Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc (USA) |
NSN 4220-01-584-9073 is a Bladder Assembly,life Preserver, manufactured by Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-584-9073 has 2 manufacturer part numbers on file: 1957AS500 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), S-2450-105 (Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc).
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.