The Chain,leaf, cataloged under National Stock Number 3020-01-348-4405, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Wiggins Lift Co Inc. Government technical data includes 11 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 | 3020-01-348-4405 |
| Primary Part Number | 405359 |
| Item Name | Chain,leaf |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Wiggins Lift Co Inc |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.1250 INCHES IN |
| Link Style | 6 X 6 |
| Link Nominal Width | 1.5000 INCHES IN |
| Link Pin Nominal Diameter | 0.3125 INCHES IN |
| Pin Overall Length | 1.7500 INCHES NOMINAL IN |
| Effective Length | 6.9167 FEET NOMINAL FT |
| Nominal Pitch Distance | 1.000 INCHES IN |
| Pin Fastening Method | COTTER PIN |
| Link Row Quantity | 1 |
| Material | STEEL |
| Link Plate Width | 0.788 INCHES NOMINAL IN |
| 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 |
|---|---|
| 405359 PRIMARY | Wiggins Lift Co Inc (USA) |
NSN 3020-01-348-4405 is a Chain,leaf, manufactured by Wiggins Lift Co Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-348-4405 has 1 manufacturer part number on file: 405359 (Wiggins Lift Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-650-9109. Verify interchangeability with system specifications before substitution.
Key specifications for 405359: Link Plate Nominal Thickness: 0.1250 INCHES IN; Link Style: 6 X 6; Link Nominal Width: 1.5000 INCHES IN; Link Pin Nominal Diameter: 0.3125 INCHES IN. 11 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.