The Lanyard Strain Reli, cataloged under National Stock Number 4020-01-331-5425, 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 Rockwell Collins Inc. 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.
| Item Name | Lanyard Strain Reli |
| FSC / FSG | 4020 — Fiber Rope, Cordage, and Twine (FSG 40) |
| Manufacturers | Rockwell Collins Inc (CAGE 17610) |
| Parameter | Value |
|---|---|
| NSN | 4020-01-331-5425 |
| Primary Part Number | 25049-1 |
| Item Name | Lanyard Strain Reli |
| FSC / FSG | 4020 / 40 — Fiber Rope, Cordage, and Twine |
| Manufacturer | Rockwell Collins Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 25049-1 PRIMARY | Rockwell Collins Inc (USA) |
NSN 4020-01-331-5425 is a Lanyard Strain Reli, manufactured by Rockwell Collins Inc, classified under FSC 4020, Fiber Rope, Cordage, and Twine. Status: active.
NSN 4020-01-331-5425 has 1 manufacturer part number on file: 25049-1 (Rockwell Collins Inc).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-443-4912. Verify interchangeability with system specifications before substitution.
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.