The Chain,roller, cataloged under National Stock Number 3020-01-252-1020, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-252-1020 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.0940 INCHES IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Link Style | ROLLER |
| Supplementary Features | END ITEM PEACEKEEPER T AND H |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Link Roller Nominal Diameter | 0.4680 INCHES IN |
| Pin Fastening Method | COTTER PIN AND RIVETED |
| Surface Treatment | PASSIVATE |
| Link Row Quantity | 3 |
| Material | STEEL CORROSION RESISTING |
| Link Nominal Width Between Plates | 0.5000 INCHES IN |
| Link Plate Width | 0.700 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 |
| Reference | Meaning |
|---|---|
| ST67D7 | D/9 Drawing number reference only Lockheed Martin Corp |
| ST67D7-2 | 5/9 Secondary reference Lockheed Martin Corp |
| 60-2SS(74) | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-01-252-1020 is a Chain,roller, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-252-1020: Link Plate Nominal Thickness: 0.0940 INCHES IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Link Style: ROLLER; Supplementary Features: END ITEM PEACEKEEPER T AND H. 12 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.