The Knob,filler,pump Un, cataloged under National Stock Number 4920-00-489-9114, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Satair A/s. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Knob,filler,pump Un |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Satair A/s (CAGE R1120) |
| Parameter | Value |
|---|---|
| NSN | 4920-00-489-9114 |
| Primary Part Number | 309555-1 |
| Item Name | Knob,filler,pump Un |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Satair A/s |
| 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 |
|---|---|
| 309555-1 | Satair A/s (DNK) |
| 309555-2 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| 309555-1 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| 309555-1 | 5/9 Secondary reference Howden Fluid Systems |
| 309555-2 | 5/9 Secondary reference Howden Fluid Systems |
| 309555-2 | 5/2 Secondary reference U.S. Government activity |
| 309555-2 | 7/2 Vendor item drawing reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| 309555-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-00-489-9114 is a Knob,filler,pump Un, manufactured by Satair A/s, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-489-9114 has 2 manufacturer part numbers on file: 309555-1 (Satair A/s), 309555-2 (Satair A/s).
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.