The Chain,roller, cataloged under National Stock Number 3020-01-056-2835, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-056-2835 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.0150 INCHES IN |
| Link Style | ROLLER |
| Effective Length | 0.6630 FEET NOMINAL FT |
| Link Roller Nominal Diameter | 0.0900 INCHES IN |
| Pin Fastening Method | SPRING CLIP |
| Minimum Tensile Strength | 180 POUNDS PER SQUARE INCH LBS |
| Link Row Quantity | 1 |
| Material | STEEL CORROSION RESISTING |
| Link Nominal Width Between Plates | 0.0720 INCHES IN |
| Link Plate Width | 0.130 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 |
|---|---|
| 69-00373-001 | 7/2 Vendor item drawing reference Raytheon Company |
| 9000-54 | 3/9 Design control — primary reference Avox Systems Inc Dba Avox Systems Inc |
NSN 3020-01-056-2835 is a Chain,roller, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6525-01-571-0498. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-056-2835: Link Plate Nominal Thickness: 0.0150 INCHES IN; Link Style: ROLLER; Effective Length: 0.6630 FEET NOMINAL FT; Link Roller Nominal Diameter: 0.0900 INCHES IN. 10 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.