The Fitting,wing Lock a, cataloged under National Stock Number 1650-00-445-4987, 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 S & L Aerospace Metals Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Fitting,wing Lock a |
| FSC / FSG | 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16) |
| Manufacturers | S & L Aerospace Metals Llc (CAGE 05722) |
| Parameter | Value |
|---|---|
| NSN | 1650-00-445-4987 |
| Primary Part Number | 1128HM40043-11 |
| Item Name | Fitting,wing Lock a |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | S & L Aerospace Metals Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 1128HM40043-11 PRIMARY | S & L Aerospace Metals Llc (USA) |
| Reference | Meaning |
|---|---|
| 1128A40043 | 5/9 Secondary reference Tek Precision Co Limited |
| 1128HM40043-11 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 1128HM40043-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1650-00-445-4987 is a Fitting,wing Lock a, manufactured by S & L Aerospace Metals Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-445-4987 has 1 manufacturer part number on file: 1128HM40043-11 (S & L Aerospace Metals Llc).
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 1650-00-445-4987 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.