The Chain,roller, cataloged under National Stock Number 3020-01-464-4171, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-464-4171 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Pin Overall Length | 2.6875 INCHES NOMINAL IN |
| End Connection Style | ROLLER |
| Nominal Pitch Distance | 2.609 INCHES IN |
| Pin Fastening Method | COTTER PIN |
| Material | STEEL |
| 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 |
|---|---|
| S188 PIN X COTT | C/1 Advisory reference — outside the item-of-supply concept Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| S188 | 3/9 Design control — primary reference Rexnord Industries Inc. Div Engineered Chain Operation |
NSN 3020-01-464-4171 is a Chain,roller, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-464-4171: Pin Overall Length: 2.6875 INCHES NOMINAL IN; End Connection Style: ROLLER; Nominal Pitch Distance: 2.609 INCHES IN; Pin Fastening Method: COTTER PIN. 5 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.