The Fiber Rope Assembly,single Leg, cataloged under National Stock Number 4020-01-733-4147, 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 Ocean Products Research, Inc. Dba Ocean Products Research. Government technical data includes 8 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 | 4020-01-733-4147 |
| Primary Part Number | 550150-NNK66 |
| Item Name | Fiber Rope Assembly,single Leg |
| FSC / FSG | 4020 / 40 — Fiber Rope, Cordage, and Twine |
| Manufacturer | Ocean Products Research, Inc. Dba Ocean Products Research |
| Status | ACTIVE |
| Length | 147.0 FEET MINIMUM AND 153.0 FEET MAXIMUM FT |
| Outside Diameter | 2.250 INCHES NOMINAL IN |
| Second Inner Perimeter | 5.5 FEET MINIMUM AND 6.5 FEET MAXIMUM FT |
| First Inner Perimeter | 5.5 FEET MINIMUM AND 6.5 FEET MAXIMUM FT |
| Loop Retention Method | SPLICE |
| Color | BLACK |
| Material | PLASTIC POLYAMIDE NYLON ROPE |
| 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 |
|---|---|
| 550150-NNK66 PRIMARY | Ocean Products Research, Inc. Dba Ocean Products Research (USA) |
NSN 4020-01-733-4147 is a Fiber Rope Assembly,single Leg, manufactured by Ocean Products Research, Inc. Dba Ocean Products Research, classified under FSC 4020, Fiber Rope, Cordage, and Twine. Status: active.
NSN 4020-01-733-4147 has 1 manufacturer part number on file: 550150-NNK66 (Ocean Products Research, Inc. Dba Ocean Products Research).
Key specifications for 550150-NNK66: Length: 147.0 FEET MINIMUM AND 153.0 FEET MAXIMUM FT; Outside Diameter: 2.250 INCHES NOMINAL IN; Second Inner Perimeter: 5.5 FEET MINIMUM AND 6.5 FEET MAXIMUM FT; First Inner Perimeter: 5.5 FEET MINIMUM AND 6.5 FEET MAXIMUM FT. 8 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.