The Chain,roller, cataloged under National Stock Number 3020-01-212-7604, 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 Oshkosh Defense Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-212-7604 |
| Primary Part Number | 2CB193 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.1410 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.0500 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.2000 INCHES IN |
| Second Chain Link Style | PIN |
| Effective Length | 10.0000 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.1870 INCHES IN |
| First Chain Link Style | ROLLER |
| First Chain Link Plate Width | 0.356 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Second Chain Link Plate Width | 0.307 INCHES NOMINAL IN |
| Minimum Tensile Strength | 1760 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 0.1870 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0500 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 |
|---|---|
| 2CB193 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 2CB193 | 5/9 Secondary reference Oshkosh Corp |
| EF-24-22-23-LT35 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-01-212-7604 is a Chain,roller, manufactured by Oshkosh Defense Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-212-7604 has 1 manufacturer part number on file: 2CB193 (Oshkosh Defense Llc).
Key specifications for 2CB193: Second Chain Link Pin Nominal Diameter: 0.1410 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.0500 INCHES IN; First Chain Link Roller Nominal Diameter: 0.2000 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.