The Rope,fibrous, cataloged under National Stock Number 4020-01-028-3841, 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 Inventory Control Point Mechanicsburg. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4020-01-028-3841 |
| Primary Part Number | 5641-33 |
| Item Name | Rope,fibrous |
| FSC / FSG | 4020 / 40 — Fiber Rope, Cordage, and Twine |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Length | 400.000 YARDS MINIMUM AND 440.000 YARDS MAXIMUM |
| Strand Quantity | 8 |
| Circumference | 2.812 INCHES MINIMUM AND 3.188 INCHES MAXIMUM IN |
| Physical Form | REEL |
| Color | NATURAL |
| Unable to Decode | UNABLE TO DECODE |
| Material | PLASTIC POLYESTER OVERALL |
| Fabrication Method | PLAITED |
| Breaking Strength | 9000.0 HARNESS GROUP 1 |
| 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 |
|---|---|
| 5641-33 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| MIL-R-24537 | 4/1 Identification reference U.S. Government activity |
NSN 4020-01-028-3841 is a Rope,fibrous, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4020, Fiber Rope, Cordage, and Twine. Status: active.
NSN 4020-01-028-3841 has 1 manufacturer part number on file: 5641-33 (Naval Inventory Control Point Mechanicsburg).
3 possible matches (shared part number, not a government interchangeability claim): 4020-01-028-3843, 4020-01-029-8664, 4020-01-652-6789. Verify interchangeability with system specifications before substitution.
Key specifications for 5641-33: Length: 400.000 YARDS MINIMUM AND 440.000 YARDS MAXIMUM; Strand Quantity: 8; Circumference: 2.812 INCHES MINIMUM AND 3.188 INCHES MAXIMUM IN; Physical Form: REEL. 9 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.