The Chain Assembly,roller, cataloged under National Stock Number 3020-01-671-7807, 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 Rexnord Industries, Llc Div Link-Belt Bearing Operation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-671-7807 |
| Primary Part Number | RC40SS |
| Item Name | Chain Assembly,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rexnord Industries, Llc Div Link-Belt Bearing Operation |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-01-671-7807 is a Chain Assembly,roller, manufactured by Rexnord Industries, Llc Div Link-Belt Bearing Operation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-671-7807 has 2 manufacturer part numbers on file: RC40SS (Rexnord Industries, Llc Div Link-Belt Bearing Operation), 40SS (Diamond Chain Co Div of Amsted Industries Inc).
Key specifications for RC40SS: Overall Length: 84.0 INCHES NOMINAL IN; Special Features: AISI NO.40,1/2 INCH PITCH,168 PITCHES. IN; Part Name Assigned by Controlling Agency: CHAIN; End Item Identification: BOUY CABLE ANCHOR. 1 specification is 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.