The Chain,leaf, cataloged under National Stock Number 3020-01-185-2966, 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 Breeze-Eastern Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-185-2966 |
| Primary Part Number | Y-1021-13-1410 |
| Item Name | Chain,leaf |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Pin Overall Length | 0.4030 INCHES NOMINAL IN |
| Effective Length | 1.1822 FEET NOMINAL FT |
| Link Row Quantity | 1 |
| Material | STEEL |
| 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 |
|---|---|
| Y-1021-13-1410 PRIMARY | Breeze-Eastern Llc (USA) |
| Reference | Meaning |
|---|---|
| Y-1021-13 | 7/1 Vendor item drawing reference Breeze-Eastern Llc |
| SC-0311 | 5/9 Secondary reference Link-Belt Cranes, L.p., Lllp |
NSN 3020-01-185-2966 is a Chain,leaf, manufactured by Breeze-Eastern Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-185-2966 has 1 manufacturer part number on file: Y-1021-13-1410 (Breeze-Eastern Llc).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-721-1814. Verify interchangeability with system specifications before substitution.
Key specifications for Y-1021-13-1410: Pin Overall Length: 0.4030 INCHES NOMINAL IN; Effective Length: 1.1822 FEET NOMINAL FT; Link Row Quantity: 1; Material: STEEL. 4 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.