The Rope,fibrous, cataloged under National Stock Number 4020-00-107-4128, 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 Briggs and Stratton Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4020-00-107-4128 |
| Primary Part Number | 66564 |
| Item Name | Rope,fibrous |
| FSC / FSG | 4020 / 40 — Fiber Rope, Cordage, and Twine |
| Manufacturer | Briggs and Stratton Corp |
| Status | ACTIVE |
| Length | 1.666 YARDS NOMINAL |
| Strand Quantity | 12 |
| Material Document and Classification | UNABLE TO DECODE |
| Circumference | 0.375 INCHES NOMINAL IN |
| Color | NATURAL |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| 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 |
|---|---|
| 66564 PRIMARY | Briggs and Stratton Corp (USA) |
| Reference | Meaning |
|---|---|
| 66564 | 5/9 Secondary reference Gregory Engineering Corp |
NSN 4020-00-107-4128 is a Rope,fibrous, manufactured by Briggs and Stratton Corp, classified under FSC 4020, Fiber Rope, Cordage, and Twine. Status: active.
NSN 4020-00-107-4128 has 1 manufacturer part number on file: 66564 (Briggs and Stratton Corp).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-184-4539. Verify interchangeability with system specifications before substitution.
Key specifications for 66564: Length: 1.666 YARDS NOMINAL; Strand Quantity: 12; Material Document and Classification: UNABLE TO DECODE; Circumference: 0.375 INCHES NOMINAL IN. 6 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.