The Valve,oxygen Dual Check, cataloged under National Stock Number 1660-00-601-2010, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-601-2010 |
| Primary Part Number | F082C000-1 |
| Item Name | Valve,oxygen Dual Check |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 4.370 IN. LG;3.000 IN. W;1.250 IN. H;TWO MS33656-8 STYLE E FITTINGS;ONE MS33657-8 STYLE S FITTING;ONE 0.250 IN. BY 0.250 IN. MTG HOLE 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 |
|---|---|
| F082C000-1 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| 8148650 | A/1 Packaging identification reference U.S. Government activity |
| 3H90053-101 | 5/2 Secondary reference U.S. Government activity |
NSN 1660-00-601-2010 is a Valve,oxygen Dual Check, manufactured by Mission Systems Orchard Park Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-601-2010 has 1 manufacturer part number on file: F082C000-1 (Mission Systems Orchard Park Inc).
Key specifications for F082C000-1: General Characteristics Item Description: 4.370 IN. LG;3.000 IN. W;1.250 IN. H;TWO MS33656-8 STYLE E FITTINGS;ONE MS33657-8 STYLE S FITTING;ONE 0.250 IN. BY 0.250 IN. MTG HOLE IN. 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.
NSN 1660-00-601-2010 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.