The Chain,leaf, cataloged under National Stock Number 3020-01-436-2288, 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 Jeffrey Chain L.p.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Chain,leaf |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Jeffrey Chain L.p. (CAGE 55739) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-436-2288 |
| Primary Part Number | BL644-69 LINKS |
| Item Name | Chain,leaf |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Jeffrey Chain L.p. |
| Status | ACTIVE |
| 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 |
|---|---|
| BL644-69 LINKS PRIMARY | Jeffrey Chain L.p. (USA) |
| Reference | Meaning |
|---|---|
| 10556483 | 5/1 Secondary reference General Dynamics Land Systems Canadacorp |
| BL644 | 5/1 Secondary reference Jeffrey Chain L.p. |
NSN 3020-01-436-2288 is a Chain,leaf, manufactured by Jeffrey Chain L.p., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-436-2288 has 1 manufacturer part number on file: BL644-69 LINKS (Jeffrey Chain L.p.).
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.