The Fiber Rope Assembly,single Leg, cataloged under National Stock Number 4020-01-317-3566, is classified within Federal Supply Class 4020 (Fiber Rope, Cordage, and Twine) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Cortland Company, Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4020-01-317-3566 |
| Primary Part Number | 6024-1 |
| Item Name | Fiber Rope Assembly,single Leg |
| FSC / FSG | 4020 / 40 — Fiber Rope, Cordage, and Twine |
| Manufacturer | Cortland Company, Inc. |
| Status | ACTIVE |
| Length | 11.190 INCHES MINIMUM AND 11.310 INCHES MAXIMUM IN |
| Thimble Style | ROUND |
| Strand Quantity | 3 |
| Outside Diameter | 0.880 INCHES NOMINAL IN |
| Breaking Strength | 1250.0 POUNDS MINIMUM LBS |
| Inside Diameter | 0.690 INCHES NOMINAL IN |
| Loop Retention Method | SEWED |
| Color | NATURAL |
| Material | POLYAMIDE NYLON THIMBLE |
| Rope Style | DOUBLE THIMBLE |
| 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 |
|---|---|
| 6024-1 PRIMARY | Cortland Company, Inc. (USA) |
| 401-6357350-1 | Naval Sea Systems Command (USA) |
| 401-6357250 IT 123 | Naval Sea Systems Command (USA) |
NSN 4020-01-317-3566 is a Fiber Rope Assembly,single Leg, manufactured by Cortland Company, Inc., classified under FSC 4020, Fiber Rope, Cordage, and Twine. Status: active.
NSN 4020-01-317-3566 has 3 manufacturer part numbers on file: 6024-1 (Cortland Company, Inc.), 401-6357350-1 (Naval Sea Systems Command), 401-6357250 IT 123 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-420-8446. Verify interchangeability with system specifications before substitution.
Key specifications for 6024-1: Length: 11.190 INCHES MINIMUM AND 11.310 INCHES MAXIMUM IN; Thimble Style: ROUND; Strand Quantity: 3; Outside Diameter: 0.880 INCHES NOMINAL IN. 10 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.