The Chain,roller, cataloged under National Stock Number 3020-01-617-7730, 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 Service Chain/drives Div of Hkk Chain Corp of America. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-617-7730 |
| Primary Part Number | SR035R1X7FT |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Service Chain/drives Div of Hkk Chain Corp of America |
| Status | ACTIVE |
| First Chain Link Roller Nominal Diameter | 0.20 INCHES IN |
| Link Pin Nominal Diameter | 141.0 INCHES IN |
| Nominal Pitch Distance | 0.375 INCHES IN |
| Material | STEEL CORROSION RESISTING |
| First Chain Link Plate Nominal Thickness | 0.050 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 |
| Part Number | Manufacturer |
|---|---|
| SR035R1X7FT PRIMARY | Service Chain/drives Div of Hkk Chain Corp of America (USA) |
| Reference | Meaning |
|---|---|
| HKK 35 | 5/9 Secondary reference Service Chain/drives Div of Hkk Chain Corp of America |
NSN 3020-01-617-7730 is a Chain,roller, manufactured by Service Chain/drives Div of Hkk Chain Corp of America, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-617-7730 has 1 manufacturer part number on file: SR035R1X7FT (Service Chain/drives Div of Hkk Chain Corp of America).
Key specifications for SR035R1X7FT: First Chain Link Roller Nominal Diameter: 0.20 INCHES IN; Link Pin Nominal Diameter: 141.0 INCHES IN; Nominal Pitch Distance: 0.375 INCHES IN; Special Features: WIDTH:0.188, PLATE HEIGHT 0.347, OVERALL WIDTH:L1 0.233 L2 0.267, TRANSVERS PITCH:0.398, AVERAGE ULTIMATE STRENGH:2400, AVERAGE WEIGHT PER FOOT RIVETED:0.23. 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.