The Wire Rope Assembly,single Leg, cataloged under National Stock Number 4010-01-571-4013, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Tulsa Winch, Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Wire Rope Assembly,single Leg |
| FSC / FSG | 4010 — Chain and Wire Rope (FSG 40) |
| Manufacturers | Howco Distributing Co. Dba Howco Distributing Co (CAGE 5E074); Tulsa Winch, Inc. (CAGE 75096); Mid- State Industrial Supply Co., Inc. Dba Mid-State Contractors Equipment Co. (CAGE 3GXQ1) |
| Parameter | Value |
|---|---|
| NSN | 4010-01-571-4013 |
| Primary Part Number | 81557 |
| Item Name | Wire Rope Assembly,single Leg |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | Tulsa Winch, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 81557 | Howco Distributing Co. Dba Howco Distributing Co (USA) |
| 81557 PRIMARY | Tulsa Winch, Inc. (USA) |
| 81557 | Mid- State Industrial Supply Co., Inc. Dba Mid-State Contractors Equipment Co. (USA) |
| Reference | Meaning |
|---|---|
| 10KP605 | 5/9 Secondary reference Oshkosh Defense Llc |
| 81557 | 3/9 Design control — primary reference DP Mfg Inc |
| 10KP605 | 7/9 Vendor item drawing reference Oshkosh Corp |
| 81557 | 5/9 Secondary reference Phillips Md, Donna P. |
NSN 4010-01-571-4013 is a Wire Rope Assembly,single Leg, manufactured by Tulsa Winch, Inc., classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-01-571-4013 has 3 manufacturer part numbers on file: 81557 (Howco Distributing Co. Dba Howco Distributing Co), 81557 (Tulsa Winch, Inc.), 81557 (Mid- State Industrial Supply Co., Inc. Dba Mid-State Contractors Equipment Co.).
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.