The Chain,roller, cataloged under National Stock Number 3020-00-684-1706, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-684-1706 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.0800 INCHES IN |
| Link Plate Width at Pin End | 0.475 INCHES NOMINAL IN |
| Link Pin Nominal Diameter | 0.2000 INCHES IN |
| Effective Length | 3.6460 FEET NOMINAL FT |
| Link Roller Nominal Diameter | 0.4000 INCHES IN |
| Nominal Pitch Distance | 0.625 INCHES IN |
| Surface Treatment | CHROMATE |
| Link Row Quantity | 1 |
| Material | STEEL |
| Link Nominal Width Between Plates | 0.3750 INCHES IN |
| Link Plate Width | 0.545 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 |
| Reference | Meaning |
|---|---|
| EW12264 | 3/9 Design control — primary reference U.S. Government activity |
| EW12264 | 5/9 Secondary reference Fmc Corp Link-Belt Div |
NSN 3020-00-684-1706 is a Chain,roller, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-684-1706: Link Plate Nominal Thickness: 0.0800 INCHES IN; Link Plate Width at Pin End: 0.475 INCHES NOMINAL IN; Link Pin Nominal Diameter: 0.2000 INCHES IN; Effective Length: 3.6460 FEET NOMINAL FT. 11 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.