The Regulator,oxygen,diluter Demand, cataloged under National Stock Number 1660-00-900-3976, 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 Ingersoll-Rand Company Dba Ingersoll-Rand. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-900-3976 |
| Primary Part Number | 14950-26A |
| Item Name | Regulator,oxygen,diluter Demand |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand |
| Status | ACTIVE |
| FSC Application Data | ACFT OXYGEN BREATHING |
| 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 | FLUORESCENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 14950-26A PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
NSN 1660-00-900-3976 is a Regulator,oxygen,diluter Demand, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-900-3976 has 1 manufacturer part number on file: 14950-26A (Ingersoll-Rand Company Dba Ingersoll-Rand).
Key specifications for 14950-26A: Overall Height: 3.000 INCHES NOMINAL IN; FSC Application Data: ACFT OXYGEN BREATHING; Flow Indicator: INCLUDED; Mounting Method: PANEL. 12 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.
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.