The Towbar Assembly, cataloged under National Stock Number 4920-00-588-6728, 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 Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4920-00-588-6728 |
| Primary Part Number | 1620-122 |
| Item Name | Towbar Assembly |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL;2 HANDLES,0.500 IN. DIA; 13.500 IN. LG; 1 TONGUE,32.375 IN. LG; 1 BRACKET,9.250 IN. LG AND 1 EYE,P/N A-276 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| E5130 | The Boeing Company Div Legacy Am&m (USA) |
| 1620-122 PRIMARY | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA) |
| Reference | Meaning |
|---|---|
| 1620-122 | 5/9 Secondary reference U.S. Government activity |
| E5130 | 5/9 Secondary reference Dosco Inc |
| 1620-122 | 5/9 Secondary reference U.S. Government activity |
NSN 4920-00-588-6728 is a Towbar Assembly, manufactured by Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-588-6728 has 2 manufacturer part numbers on file: E5130 (The Boeing Company Div Legacy Am&m), 1620-122 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).
Key specifications for 1620-122: General Characteristics Item Description: STEEL;2 HANDLES,0.500 IN. DIA; 13.500 IN. LG; 1 TONGUE,32.375 IN. LG; 1 BRACKET,9.250 IN. LG AND 1 EYE,P/N A-276 IN; End Item Identification: HYDRAULIC TEST STAND,ACFT. 1 specification is 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.
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.