The Fiber Rope Assembly,single Leg, cataloged under National Stock Number 4020-01-166-1730, 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 Naval Sea Systems Command. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4020-01-166-1730 |
| Primary Part Number | 5428793 |
| Item Name | Fiber Rope Assembly,single Leg |
| FSC / FSG | 4020 / 40 — Fiber Rope, Cordage, and Twine |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Length | 49.000 FEET MINIMUM AND 51.000 FEET MAXIMUM FT |
| Strand Quantity | 3 |
| Material Document and Classification | MIL-R-17343 MIL SPEC ALL MATERIAL RESPONSES ROPE |
| Second Inner Perimeter | 11.000 INCHES MINIMUM AND 13.000 INCHES MAXIMUM IN |
| Circumference | 3.750 INCHES NOMINAL IN |
| First Inner Perimeter | 11.000 INCHES MINIMUM AND 13.000 INCHES MAXIMUM IN |
| Breaking Strength | 36500.0 POUNDS MINIMUM LBS |
| Loop Retention Method | SPLICE |
| Color | NATURAL |
| Material | POLYAMIDE NYLON ROPE |
| Fabrication Method | TWISTED |
| Rope Style | DOUBLE LOOP |
| 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 |
|---|---|
| 5428793 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4020-01-166-1730 is a Fiber Rope Assembly,single Leg, manufactured by Naval Sea Systems Command, classified under FSC 4020, Fiber Rope, Cordage, and Twine. Status: active.
NSN 4020-01-166-1730 has 1 manufacturer part number on file: 5428793 (Naval Sea Systems Command).
Key specifications for 5428793: Length: 49.000 FEET MINIMUM AND 51.000 FEET MAXIMUM FT; Strand Quantity: 3; Material Document and Classification: MIL-R-17343 MIL SPEC ALL MATERIAL RESPONSES ROPE; Second Inner Perimeter: 11.000 INCHES MINIMUM AND 13.000 INCHES MAXIMUM IN. 12 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.