The Regulator,oxygen,diluter Demand, cataloged under National Stock Number 1660-01-010-4949, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1660-01-010-4949 |
| Primary Part Number | 14950-34M |
| Item Name | Regulator,oxygen,diluter Demand |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| FSC Application Data | ACFT,OXYGEN BREATHING SYSTEM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 14950-34M PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| MIL-R-83178 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-83178 | 4/1 Identification reference U.S. Government activity |
| 1660PL1516464 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 8148650 | A/1 Packaging identification reference U.S. Government activity |
| 14950-34M | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
NSN 1660-01-010-4949 is a Regulator,oxygen,diluter Demand, manufactured by Mission Systems Orchard Park Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-010-4949 has 1 manufacturer part number on file: 14950-34M (Mission Systems Orchard Park Inc).
2 possible matches (shared part number, not a government interchangeability claim): 1660-01-391-4738, 1660-01-407-8856. Verify interchangeability with system specifications before substitution.
Key specifications for 14950-34M: FSC Application Data: ACFT,OXYGEN BREATHING SYSTEM. 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 1660-01-010-4949 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.