The Plunger,disconnect,oxygen, cataloged under National Stock Number 1660-01-250-5487, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-250-5487 |
| Item Name | Plunger,disconnect,oxygen |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| FSC Application Data | BREATHING OXYGEN SYSTEM |
| General Characteristics Item Description | 4.500 IN. LG; 0.221 IN. O.D. 1ST END; 0.306 IN. O.D. 2ND END 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 |
| Reference | Meaning |
|---|---|
| 189206-1 | 5/9 Secondary reference American Safety Flight Systems Inc |
| 8148650 | A/1 Packaging identification reference U.S. Government activity |
| 189206-1 | 3/9 Design control — primary reference Conax Florida Corporation |
NSN 1660-01-250-5487 is a Plunger,disconnect,oxygen, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-01-250-5487: FSC Application Data: BREATHING OXYGEN SYSTEM; General Characteristics Item Description: 4.500 IN. LG; 0.221 IN. O.D. 1ST END; 0.306 IN. O.D. 2ND END IN; End Item Identification: B-1B AIRCRAFT. 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 1660-01-250-5487 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.