The Chain,leaf, cataloged under National Stock Number 3020-01-305-7906, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-305-7906 |
| Item Name | Chain,leaf |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.1250 INCHES IN |
| Link Style | 4 X 6 |
| Link Nominal Width | 1.2500 INCHES IN |
| Link Pin Nominal Diameter | 0.3120 INCHES IN |
| Pin Overall Length | 1.4062 INCHES NOMINAL IN |
| Effective Length | 4.9375 FEET NOMINAL FT |
| Nominal Pitch Distance | 0.750 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| Link Plate Width | 0.719 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 |
| Reference | Meaning |
|---|---|
| 102-INCH-UPRIGHT | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 186859 | 3/9 Design control — primary reference Hyster-Yale Group, Inc. |
NSN 3020-01-305-7906 is a Chain,leaf, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2540-01-559-9478. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-305-7906: Link Plate Nominal Thickness: 0.1250 INCHES IN; Link Style: 4 X 6; Link Nominal Width: 1.2500 INCHES IN; Link Pin Nominal Diameter: 0.3120 INCHES IN. 10 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.