The Cap,linear Actuating Cylinder, cataloged under National Stock Number 1650-00-326-2124, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1650-00-326-2124 |
| Item Name | Cap,linear Actuating Cylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Outside Diameter | 0.686 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3-71544 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-326-2124 is a Cap,linear Actuating Cylinder, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6680-01-047-5690, 5331-01-337-6612. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-00-326-2124: Outside Diameter: 0.686 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN; Overall Length: 0.820 INCHES MAXIMUM IN; Special Features: MATERIAL DOCUMENT AND CLASSIFICATION:QQ-A-354;1.125-12 IN.UNF-3A THD ON ONE END;1.280 IN.WRENCH OPPOSITE END A; Material: ALUMINUM ALLOY. 2 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 1650-00-326-2124 has DEMIL Code Q. 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.