The Sleeve-Retainer, cataloged under National Stock Number 1650-00-522-6494, 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 Eaton Aerospace, Llc Dba Jackson South. 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. 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 | 1650-00-522-6494 |
| Primary Part Number | 401979 |
| Item Name | Sleeve-Retainer |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| General Characteristics Item Description | 0.860 IN. O/A LG,0.922 IN. MIN,0.923 IN. MAX OD IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 401979 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 1650-00-522-6494 is a Sleeve-Retainer, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-522-6494 has 1 manufacturer part number on file: 401979 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-621-2364. Verify interchangeability with system specifications before substitution.
Key specifications for 401979: General Characteristics Item Description: 0.860 IN. O/A LG,0.922 IN. MIN,0.923 IN. MAX OD IN. 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 1650-00-522-6494 has DEMIL Code B. 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.