The Handle,pump, cataloged under National Stock Number 1650-00-944-4437, 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 Real-Time Laboratories, Llc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Handle,pump |
| FSC / FSG | 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16) |
| Manufacturers | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934); 2is Inc. (CAGE 1ZKD0); Real-Time Laboratories, Llc (CAGE 62319); The Boeing Company (CAGE 77272) |
| Parameter | Value |
|---|---|
| NSN | 1650-00-944-4437 |
| Primary Part Number | K410028 |
| Item Name | Handle,pump |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Real-Time Laboratories, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 114HS137-1 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| K410048 | 2is Inc. (USA) |
| K410028 PRIMARY | Real-Time Laboratories, Llc (USA) |
| 114HS137-1 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| K410028 | 3/9 Design control — primary reference Kemp/real-Time Laboratories |
| 114HS137-1 | 5/9 Secondary reference 2is Inc. |
NSN 1650-00-944-4437 is a Handle,pump, manufactured by Real-Time Laboratories, Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-944-4437 has 4 manufacturer part numbers on file: 114HS137-1 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), K410048 (2is Inc.), K410028 (Real-Time Laboratories, Llc), 114HS137-1 (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.
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.