The Towbar,aircraft, cataloged under National Stock Number 1730-00-321-1028, is classified within Federal Supply Class 1730 (Aircraft Ground Servicing Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1730-00-321-1028 |
| Primary Part Number | S1570-10616 |
| Item Name | Towbar,aircraft |
| FSC / FSG | 1730 / 17 — Aircraft Ground Servicing Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Towed End Connection Type | CLEVIS W/BOLT OR CLEVIS W/PIPE PIN |
| Towing End Connection Type | EYE |
| Design Type | TRAILER |
| Length Adjustability | NONADJUSTABLE |
| 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 |
|---|---|
| S1570-10616 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 1730H34-006 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1730-00-321-1028 is a Towbar,aircraft, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 1730, Aircraft Ground Servicing Equipment. Status: active.
NSN 1730-00-321-1028 has 1 manufacturer part number on file: S1570-10616 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S1570-10616: Towed End Connection Type: CLEVIS W/BOLT OR CLEVIS W/PIPE PIN; Towing End Connection Type: EYE; Design Type: TRAILER; Overall Length: 40.375 INCHES NOMINAL IN. 4 specifications are 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.