The Chain,roller, cataloged under National Stock Number 3020-01-030-9496, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-030-9496 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.0500 INCHES IN |
| Link Pin Nominal Diameter | 0.1410 INCHES IN |
| Link Roller Nominal Diameter | 0.2000 INCHES IN |
| Minimum Tensile Strength | 2100 POUNDS PER SQUARE INCH LBS |
| Material | STEEL |
| Link Nominal Width Between Plates | 0.1880 INCHES IN |
| Link Plate Width | 0.360 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 |
|---|---|
| RR-C-271TYPE3 | 5/2 Secondary reference U.S. Government activity |
| 13206E7400-30 | 5/2 Secondary reference U.S. Government activity |
| 13206E7400-30 | 3/2 Design control — primary reference U.S. Government activity |
| 0000641 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-01-030-9496 is a Chain,roller, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6525-01-477-2090. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-030-9496: Link Plate Nominal Thickness: 0.0500 INCHES IN; Link Pin Nominal Diameter: 0.1410 INCHES IN; Link Roller Nominal Diameter: 0.2000 INCHES IN; Minimum Tensile Strength: 2100 POUNDS PER SQUARE INCH LBS. 7 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.