The Chain,leaf, cataloged under National Stock Number 3020-01-119-3790, 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 Kalmar AC Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-119-3790 |
| Primary Part Number | 4851887-2 |
| Item Name | Chain,leaf |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.1562 INCHES IN |
| Link Style | 4 X 6 |
| Link Nominal Width | 1.5620 INCHES IN |
| Link Pin Nominal Diameter | 0.3740 INCHES IN |
| Effective Length | 5.2500 FEET NOMINAL FT |
| Nominal Pitch Distance | 1.000 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| Link Plate Width | 0.953 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 |
|---|---|
| 4851887-2 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 4843591 | D/9 Drawing number reference only Kalmar AC Inc |
NSN 3020-01-119-3790 is a Chain,leaf, manufactured by Kalmar AC Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-119-3790 has 1 manufacturer part number on file: 4851887-2 (Kalmar AC Inc).
Key specifications for 4851887-2: Link Plate Nominal Thickness: 0.1562 INCHES IN; Link Style: 4 X 6; Link Nominal Width: 1.5620 INCHES IN; Link Pin Nominal Diameter: 0.3740 INCHES IN. 9 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.