The Chain,roller, cataloged under National Stock Number 3020-00-708-0345, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-708-0345 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.0900 INCHES IN |
| FSC Application Data | CHAIN,ROLLER MULTIAPPLICATION |
| 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 | 1.5420 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.1850 INCHES IN |
| First Chain Link Style | ROLLER |
| Nominal Pitch Distance | 0.250 INCHES IN |
| Nondefinitive Spec/std Data | B29-1-1950-25 NUMBER |
| First Chain Link Plate Width | 0.238 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Second Chain Link Plate Width | 0.238 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 |
| Reference | Meaning |
|---|---|
| 25 | 3/9 Design control — primary reference Browning Belting and Supply Co Inc |
| B29-1-1950-25 | 3/2 Design control — primary reference U.S. Government activity |
| 4007B144 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
| 4007B144 | 5/9 Secondary reference U.S. Government activity |
| 25 | 3/1 Design control — primary reference Zero-Max, Inc |
| 25 | 3/1 Design control — primary reference Altra Industrial Motion Corp. |
NSN 3020-00-708-0345 is a Chain,roller, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-708-0345: Second Chain Link Pin Nominal Diameter: 0.0900 INCHES IN; FSC Application Data: CHAIN,ROLLER MULTIAPPLICATION; Second Chain Link Plate Nominal Thickness: 0.0300 INCHES IN; First Chain Link Roller Nominal Diameter: 0.1300 INCHES IN. 18 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.