The Valve Assembly,oxygen, cataloged under National Stock Number 1660-01-368-0206, 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 Mission Systems Orchard Park Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-368-0206 |
| Primary Part Number | 9020148 |
| Item Name | Valve Assembly,oxygen |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| FSC Application Data | BREATHING OXYGEN SYSTEM |
| General Characteristics Item Description | ASSY CONSIST OF: CONNECTOR (MS22058-1); ATTACHING LOOP; CHECK VALVE AND RELIEF VALVE; 2.000 IN. L; 2.200 IN. D IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9020148 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| 9020148 | 5/9 Secondary reference American Safety Flight Systems Inc |
NSN 1660-01-368-0206 is a Valve Assembly,oxygen, manufactured by Mission Systems Orchard Park Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-368-0206 has 1 manufacturer part number on file: 9020148 (Mission Systems Orchard Park Inc).
Key specifications for 9020148: FSC Application Data: BREATHING OXYGEN SYSTEM; General Characteristics Item Description: ASSY CONSIST OF: CONNECTOR (MS22058-1); ATTACHING LOOP; CHECK VALVE AND RELIEF VALVE; 2.000 IN. L; 2.200 IN. D IN; Special Features: RELIEF VALVE CRACKS OPEN AT 10IN H2O; VALVE FULLY OPEN AT 20IN H2O IN. 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 1660-01-368-0206 has DEMIL Code Q. 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.