The Chain,roller, cataloged under National Stock Number 3020-01-079-2930, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-079-2930 |
| 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 |
| Surface Treatment Document and Classification | MIL-STD-171 MIL STD ALL TREATMENT RESPONSES |
| Second Chain Link Bushing Nominal Outside Diameter | 0.0900 INCHES IN |
| Material Document and Classification | QQ-S-766 FED SPEC ALL MATERIAL RESPONSES |
| Second Chain Link Style | ROLLERLESS |
| 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 |
| First Chain Link Plate Width | 0.138 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Second Chain Link Plate Width | 0.138 INCHES NOMINAL IN |
| Minimum Tensile Strength | 180 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 0.0720 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| RC1455-146 | 5/9 Secondary reference W. M. Berg, Inc. |
| 12287985 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| RC14SS-146 | 7/9 Vendor item drawing reference W. M. Berg, Inc. |
| RC1455-146 | 3/9 Design control — primary reference Allied Devices Corp Dba Absolute Precision Co |
NSN 3020-01-079-2930 is a Chain,roller, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-079-2930: Second Chain Link Plate Nominal Thickness: 0.0150 INCHES IN; Surface Treatment Document and Classification: MIL-STD-171 MIL STD ALL TREATMENT RESPONSES; Second Chain Link Bushing Nominal Outside Diameter: 0.0900 INCHES IN; Material Document and Classification: QQ-S-766 FED SPEC ALL MATERIAL RESPONSES. 16 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.