The Regulator,oxygen,diluter Demand, cataloged under National Stock Number 1660-01-005-6318, 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 11 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-005-6318 |
| Item Name | Regulator,oxygen,diluter Demand |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| Flow Indicator | INCLUDED |
| Mounting Method | PANEL |
| Voltage in Volts | 28.000 |
| Lighted Panel | INCLUDED |
| Pressure Gage | INCLUDED |
| Emergency Oxygen Control Type | SWITCH |
| Inlet Connection Size | 1/8 IN. NPT IN |
| On-Off Switch | INCLUDED |
| Mask Connection Size | 7/8 IN. IN |
| Installation Design | NONPORTABLE |
| Marking Finish | WHITE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-R-83178 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-83178 | 4/1 Identification reference U.S. Government activity |
| 8148650 | A/1 Packaging identification reference U.S. Government activity |
| 1660PL1535715 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3260011-0101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-005-6318 is a Regulator,oxygen,diluter Demand, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 1660-01-010-4949, 1660-01-391-4738, 1660-01-407-8856. Verify interchangeability with system specifications before substitution.
Key specifications for 1660-01-005-6318: Overall Height: 3.000 INCHES NOMINAL IN; Flow Indicator: INCLUDED; Mounting Method: PANEL; Voltage in Volts: 28.000. 11 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 1660-01-005-6318 has DEMIL Code D. 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.