The Chain,leaf, cataloged under National Stock Number 3020-01-394-8164, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-394-8164 |
| Primary Part Number | 636021 |
| 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 | 0.1870 INCHES IN |
| Link Style | 3 X 4 |
| Link Nominal Width | 1.3090 INCHES IN |
| Link Pin Nominal Diameter | 0.4370 INCHES IN |
| Effective Length | 8.4375 FEET NOMINAL FT |
| Nominal Pitch Distance | 1.250 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| Link Plate Width | 1.156 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 |
|---|---|
| 636021 | Wiggins Lift Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 049577-81P | 5/9 Secondary reference Brudi Equipment Inc |
| 049577-81P | 5/9 Secondary reference Brudi Inc |
| 049577-81P | 3/9 Design control — primary reference Bode-Finn Co the |
NSN 3020-01-394-8164 is a Chain,leaf, manufactured by Wiggins Lift Co Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-394-8164 has 1 manufacturer part number on file: 636021 (Wiggins Lift Co Inc).
Key specifications for 636021: Link Plate Nominal Thickness: 0.1870 INCHES IN; Link Style: 3 X 4; Link Nominal Width: 1.3090 INCHES IN; Link Pin Nominal Diameter: 0.4370 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.