The Chain,roller, cataloged under National Stock Number 3020-00-413-4544, 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18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-413-4544 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Second Chain Link Plate Nominal Thickness | 0.0150 INCHES IN |
| Second Chain Link Bushing Nominal Outside Diameter | 0.0880 INCHES IN |
| Pin Overall Length | 0.1780 INCHES NOMINAL IN |
| Second Chain Link Style | ROLLERLESS |
| Effective Length | 1.2500 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.0720 INCHES IN |
| First Chain Link Style | PIN |
| First Chain Link Pin Nominal Diameter | 0.0620 INCHES IN |
| End Connection Style | PIN |
| Nominal Pitch Distance | 0.1475 INCHES IN |
| First Chain Link Plate Width | 0.135 INCHES NOMINAL IN |
| Pin Fastening Method | SPRING CLIP |
| Bushing Hole Diameter | 0.0620 INCHES NOMINAL IN |
| Second Chain Link Plate Width | 0.135 INCHES NOMINAL IN |
| First Chain Link Nominal Width Between Plates | 0.1180 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0150 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 |
|---|---|
| ELS15-045 | 5/9 Secondary reference Roller Bearing Co of America, Inc Div Pic Design |
| 60899-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-413-4544 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): 4810-01-101-8702. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-413-4544: Second Chain Link Plate Nominal Thickness: 0.0150 INCHES IN; Second Chain Link Bushing Nominal Outside Diameter: 0.0880 INCHES IN; Pin Overall Length: 0.1780 INCHES NOMINAL IN; Second Chain Link Style: ROLLERLESS. 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.