The Separator,air Oil,a, cataloged under National Stock Number 1650-01-464-0506, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Rolls Royce Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-464-0506 |
| Primary Part Number | 23089898 |
| Item Name | Separator,air Oil,a |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Rolls Royce Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 23089898 PRIMARY | Rolls Royce Corp (USA) |
| Reference | Meaning |
|---|---|
| NSN SPECIFIC V-22 AE1107C ENGINE | 5/9 Secondary reference Rolls Royce Corp |
| 23084290 | 5/9 Secondary reference Rolls Royce Corp |
| 23060118 | 5/9 Secondary reference Rolls Royce Corp |
NSN 1650-01-464-0506 is a Separator,air Oil,a, manufactured by Rolls Royce Corp, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-464-0506 has 1 manufacturer part number on file: 23089898 (Rolls Royce Corp).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-675-9511. Verify interchangeability with system specifications before substitution.
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 1650-01-464-0506 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.