The Chain,roller, cataloged under National Stock Number 3020-00-781-4773, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-781-4773 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.3120 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.1300 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.6250 INCHES IN |
| Pin Overall Length | 1.3850 INCHES NOMINAL IN |
| Second Chain Link Style | PIN |
| Effective Length | 9.1667 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.9100 INCHES IN |
| First Chain Link Style | ROLLER |
| Features Provided | CHAIN W/UNJOINED ENDS |
| End Connection Style | PIN |
| Nominal Pitch Distance | 1.000 INCHES IN |
| First Chain Link Plate Width | 0.910 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Bushing Hole Diameter | 0.3100 INCHES NOMINAL IN |
| Second Chain Link Plate Width | 0.750 INCHES NOMINAL IN |
| First Chain Link Nominal Width Between Plates | 0.6320 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.1300 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 |
|---|---|
| 12Z00-542BY96LINKSLG | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| 12Z00-542BY96LINKSLG | 3/9 Design control — primary reference Barber-Greene Co |
NSN 3020-00-781-4773 is a Chain,roller, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-781-4773: Second Chain Link Pin Nominal Diameter: 0.3120 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.1300 INCHES IN; First Chain Link Roller Nominal Diameter: 0.6250 INCHES IN; Pin Overall Length: 1.3850 INCHES NOMINAL IN. 19 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.