The Mask,oxygen, cataloged under National Stock Number 1660-01-426-0621, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Airborne Systems North America of Nj Inc. Dba Airborne Systems of No. 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 | 1660-01-426-0621 |
| Primary Part Number | 603300-1 |
| Item Name | Mask,oxygen |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Airborne Systems North America of Nj Inc. Dba Airborne Systems of No |
| Status | ACTIVE |
| Microphone | NOT INCLUDED |
| Oxygen System Type | PRESSURE DEMAND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 603300-1 PRIMARY | Airborne Systems North America of Nj Inc. Dba Airborne Systems of No (USA) |
NSN 1660-01-426-0621 is a Mask,oxygen, manufactured by Airborne Systems North America of Nj Inc. Dba Airborne Systems of No, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-426-0621 has 1 manufacturer part number on file: 603300-1 (Airborne Systems North America of Nj Inc. Dba Airborne Systems of No).
Key specifications for 603300-1: Microphone: NOT INCLUDED; Oxygen System Type: PRESSURE DEMAND; Special Features: SIZE: REG. 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.
NSN 1660-01-426-0621 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.