The Link,roller Chain, cataloged under National Stock Number 3020-01-231-2804, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-231-2804 |
| Primary Part Number | 12330771 |
| Item Name | Link,roller Chain |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.0938 INCHES IN |
| Link Style | PIN |
| Link Pin Nominal Diameter | 0.2344 INCHES IN |
| Nominal Pitch Distance | 0.750 INCHES IN |
| Pin Fastening Method | COTTER PIN |
| Material | STEEL |
| Link Nominal Width Between Plates | 0.7030 INCHES IN |
| Link Plate Width | 0.615 INCHES NOMINAL 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 |
|---|---|
| 12330771 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 60SBC | 3/9 Design control — primary reference Emerson Power Transmission Corporation Div Ept |
| C60SB | 5/9 Secondary reference Emerson Power Transmission Corporation Div Ept |
NSN 3020-01-231-2804 is a Link,roller Chain, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-231-2804 has 1 manufacturer part number on file: 12330771 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12330771: Link Plate Nominal Thickness: 0.0938 INCHES IN; Link Style: PIN; Link Pin Nominal Diameter: 0.2344 INCHES IN; Nominal Pitch Distance: 0.750 INCHES IN. 8 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.