The Fitting,dual Quick,, cataloged under National Stock Number 1680-01-535-3412, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hydraflow. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Fitting,dual Quick, |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Hydraflow (CAGE 24984); The Boeing Company (CAGE 77272) |
| Parameter | Value |
|---|---|
| NSN | 1680-01-535-3412 |
| Primary Part Number | FC519-101AE |
| Item Name | Fitting,dual Quick, |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| FC519-101AE PRIMARY | Hydraflow (USA) |
| 901-366-656-107 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 901-366-656 | D/9 Drawing number reference only The Boeing Company |
NSN 1680-01-535-3412 is a Fitting,dual Quick,, manufactured by Hydraflow, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-535-3412 has 2 manufacturer part numbers on file: FC519-101AE (Hydraflow), 901-366-656-107 (The Boeing Company).
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 1680-01-535-3412 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.