The Chain,roller, cataloged under National Stock Number 3020-01-598-7761, 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 Varian Associates Inc Oncology Systems Div. Government technical data includes 5 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-598-7761 |
| Primary Part Number | 1000958 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Varian Associates Inc Oncology Systems Div |
| Status | ACTIVE |
| Link Style | ROLLER |
| Effective Length | 24.000 INCHES NOMINAL IN |
| First Chain Link Style | ROLLER |
| Features Provided | ENDLESS CHAIN |
| End Connection Style | ROLLER |
| 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 |
|---|---|
| 1000958 PRIMARY | Varian Associates Inc Oncology Systems Div (USA) |
NSN 3020-01-598-7761 is a Chain,roller, manufactured by Varian Associates Inc Oncology Systems Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-598-7761 has 1 manufacturer part number on file: 1000958 (Varian Associates Inc Oncology Systems Div).
2 possible matches (shared part number, not a government interchangeability claim): 6150-01-617-1097, 3020-01-617-7182. Verify interchangeability with system specifications before substitution.
Key specifications for 1000958: Link Style: ROLLER; Effective Length: 24.000 INCHES NOMINAL IN; First Chain Link Style: ROLLER; Features Provided: ENDLESS CHAIN. 5 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.