The Dry Suit,anti-Expos, cataloged under National Stock Number 4220-01-517-7802, 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 Aerostar International, Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4220-01-517-7802 |
| Primary Part Number | 459GP021 |
| Item Name | Dry Suit,anti-Expos |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Aerostar International, Llc |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| 459GP021 PRIMARY | Aerostar International, Llc (USA) |
| 3666AS100-3 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 459GT021-XXXLARGE | 5/9 Secondary reference Concorde Aerosales Inc. |
| 459GT021-3XL | 5/9 Secondary reference Aerostar International, Llc |
NSN 4220-01-517-7802 is a Dry Suit,anti-Expos, manufactured by Aerostar International, Llc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-517-7802 has 2 manufacturer part numbers on file: 459GP021 (Aerostar International, Llc), 3666AS100-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 459GP021: Criticality Code Justification: FEAT; Special Features: PROVIDES ANTI-EXPOSURE PROTECTION TO NON-COMBATANT PASSENGERS; Part Name Assigned by Controlling Agency: CWU-83/P PASSENGER ANTI-EXPOSURE COVERALL. 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.