The Chain,roller, cataloged under National Stock Number 3020-01-407-0941, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Diamond Chain Co Div of Amsted Industries Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-407-0941 |
| Primary Part Number | 80SS-128 IN. |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Diamond Chain Co Div of Amsted Industries Inc |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.3125 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.1250 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.6250 INCHES IN |
| Second Chain Link Style | PIN |
| Effective Length | 10.6667 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.8750 INCHES IN |
| First Chain Link Style | ROLLER |
| Nominal Pitch Distance | 1.000 INCHES IN |
| First Chain Link Plate Width | 0.950 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Second Chain Link Plate Width | 0.820 INCHES NOMINAL IN |
| First Chain Link Nominal Width Between Plates | 0.6250 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL CORROSION RESISTING |
| First Chain Link Plate Nominal Thickness | 0.1250 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 |
| Part Number | Manufacturer |
|---|---|
| 80SS-128 IN. PRIMARY | Diamond Chain Co Div of Amsted Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 5167763 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 80-SS BY 128 IN. | 5/9 Secondary reference Emerson Power Transmission Corporation Div Ept |
NSN 3020-01-407-0941 is a Chain,roller, manufactured by Diamond Chain Co Div of Amsted Industries Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-407-0941 has 1 manufacturer part number on file: 80SS-128 IN. (Diamond Chain Co Div of Amsted Industries Inc).
Key specifications for 80SS-128 IN.: Second Chain Link Pin Nominal Diameter: 0.3125 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.1250 INCHES IN; First Chain Link Roller Nominal Diameter: 0.6250 INCHES IN; Second Chain Link Style: PIN. 15 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.