The Fiber Rope Assembly,single Leg, cataloged under National Stock Number 4020-00-396-1931, 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 Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 5 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 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 | 4020-00-396-1931 |
| Primary Part Number | 8403891 |
| Item Name | Fiber Rope Assembly,single Leg |
| FSC / FSG | 4020 / 40 — Fiber Rope, Cordage, and Twine |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Strand Quantity | 5 |
| Rope End Conditioning Method | SERVED |
| Color | NATURAL |
| Fabrication Method | BRAIDED |
| Rope Style | PLAIN ENDS |
| 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 |
|---|---|
| 8403891 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 4020-00-396-1931 is a Fiber Rope Assembly,single Leg, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 4020, Fiber Rope, Cordage, and Twine. Status: active.
NSN 4020-00-396-1931 has 1 manufacturer part number on file: 8403891 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-906-3387. Verify interchangeability with system specifications before substitution.
Key specifications for 8403891: Strand Quantity: 5; Overall Length: 300.000 INCHES NOMINAL IN; Rope End Conditioning Method: SERVED; Color: NATURAL. 5 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.