The Roller,regulator, cataloged under National Stock Number 1660-00-445-7489, 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 Drager Safety Ag & Co. Kgaa. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Roller,regulator |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Drager Safety Ag & Co. Kgaa (CAGE C5810) |
| Parameter | Value |
|---|---|
| NSN | 1660-00-445-7489 |
| Primary Part Number | E20423 |
| Item Name | Roller,regulator |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Drager Safety Ag & Co. Kgaa |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| E20423 | Drager Safety Ag & Co. Kgaa (DEU) |
| Reference | Meaning |
|---|---|
| E20423 | 5/9 Secondary reference B/e Aerospace Systems Gmbh Div Life Support Systems Europe |
| 1603411-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-00-445-7489 is a Roller,regulator, manufactured by Drager Safety Ag & Co. Kgaa, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-445-7489 has 1 manufacturer part number on file: E20423 (Drager Safety Ag & Co. Kgaa).
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 1660-00-445-7489 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.