The Chain,roller, cataloged under National Stock Number 3020-00-273-4157, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-273-4157 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Effective Length | 6.0000 FEET NOMINAL FT |
| First Chain Link Pin Nominal Diameter | 0.5000 INCHES IN |
| Nominal Pitch Distance | 4.000 INCHES IN |
| First Chain Link Plate Width | 1.500 INCHES NOMINAL IN |
| First Chain Link Plate Width at Pin End | 1.500 INCHES NOMINAL IN |
| Minimum Tensile Strength | 1800 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 1.1060 INCHES IN |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 1.1060 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 |
|---|---|
| B47798PCS1-7 | 3/9 Design control — primary reference Emerson Power Transmission Corporation Div Ept |
| B47798ITEM7 | 5/9 Secondary reference Emerson Power Transmission Corporation Div Ept |
NSN 3020-00-273-4157 is a Chain,roller, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-273-4157: Effective Length: 6.0000 FEET NOMINAL FT; First Chain Link Pin Nominal Diameter: 0.5000 INCHES IN; Nominal Pitch Distance: 4.000 INCHES IN; First Chain Link Plate Width: 1.500 INCHES NOMINAL IN. 9 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.