The Chain,roller, cataloged under National Stock Number 3020-00-288-3560, 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 Altra Industrial Motion Corp.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-288-3560 |
| Primary Part Number | 25-66LINKS |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.0900 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.0300 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.1300 INCHES IN |
| Second Chain Link Style | PIN |
| Effective Length | 1.3750 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.1250 INCHES IN |
| First Chain Link Style | ROLLER |
| First Chain Link Plate Width | 0.238 INCHES NOMINAL IN |
| Pin Fastening Method | COTTER PIN AND RIVETED |
| Second Chain Link Plate Width | 0.205 INCHES NOMINAL IN |
| Minimum Tensile Strength | 780 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 0.1250 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0300 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 |
|---|---|
| 25-66LINKS | Altra Industrial Motion Corp. (USA) |
| Reference | Meaning |
|---|---|
| SCB72683 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-288-3560 is a Chain,roller, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-288-3560 has 1 manufacturer part number on file: 25-66LINKS (Altra Industrial Motion Corp.).
Key specifications for 25-66LINKS: Second Chain Link Pin Nominal Diameter: 0.0900 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.0300 INCHES IN; First Chain Link Roller Nominal Diameter: 0.1300 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.