The Chain,roller, cataloged under National Stock Number 3020-01-375-1461, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-375-1461 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.1562 INCHES IN |
| First Chain Link Hole Nominal Distance From Center | 0.5000 INCHES IN |
| Second Chain Link Hole Nominal Distance From Center | 0.5000 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.0600 INCHES IN |
| Second Chain Link Hole Nominal Diameter | 0.1250 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.3125 INCHES IN |
| Second Chain Link Hole Nominal Height Above Center | 0.3125 INCHES IN |
| Second Chain Link Style | PIN, BENT EXTENSION, ONE HOLE, ONE SIDE |
| Second Chain Link Nominal Width Between Plates | 0.4325 INCHES IN |
| First Chain Link Style | ROLLER, BENT EXTENSION, ONE HOLE, ONE SIDE |
| Nominal Pitch Distance | 0.500 INCHES IN |
| First Chain Link Hole Nominal Height Above Center | 0.3125 INCHES IN |
| First Chain Link Hole Nominal Diameter | 0.1250 INCHES IN |
| First Chain Link Nominal Width Between Plates | 0.3125 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL CORROSION RESISTING |
| First Chain Link Plate Nominal Thickness | 0.0600 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 |
|---|---|
| 5751774-F FIND NO.157 | 5/9 Secondary reference Naval Sea Systems Command |
| 5751774 FIND 157 | 3/9 Design control — primary reference Conagra Grocery Products Company |
| A1-40SS | C/1 Advisory reference — outside the item-of-supply concept Altra Industrial Motion Corp. |
NSN 3020-01-375-1461 is a Chain,roller, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-375-1461: Second Chain Link Pin Nominal Diameter: 0.1562 INCHES IN; First Chain Link Hole Nominal Distance From Center: 0.5000 INCHES IN; Second Chain Link Hole Nominal Distance From Center: 0.5000 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.0600 INCHES IN. 17 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.