The Chain,roller, cataloged under National Stock Number 3020-01-384-9420, 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 Textron Inc Jacobsen Div. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-384-9420 |
| Primary Part Number | 353684 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Textron Inc Jacobsen Div |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.2000 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.0800 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.4000 INCHES IN |
| Second Chain Link Style | PIN |
| Effective Length | 4.0104 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.3750 INCHES IN |
| First Chain Link Style | ROLLER |
| First Chain Link Plate Width | 0.594 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Second Chain Link Plate Width | 0.512 INCHES NOMINAL IN |
| Minimum Tensile Strength | 6600 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 0.3750 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0800 INCHES 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 |
|---|---|
| 353684 PRIMARY | Textron Inc Jacobsen Div (USA) |
| Reference | Meaning |
|---|---|
| 50-4.0104 FT | 5/9 Secondary reference Diamond Chain Co Div of Amsted Industries Inc |
NSN 3020-01-384-9420 is a Chain,roller, manufactured by Textron Inc Jacobsen Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-384-9420 has 1 manufacturer part number on file: 353684 (Textron Inc Jacobsen Div).
Key specifications for 353684: Second Chain Link Pin Nominal Diameter: 0.2000 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.0800 INCHES IN; First Chain Link Roller Nominal Diameter: 0.4000 INCHES IN; Second Chain Link Style: PIN. 15 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.