The Chain,roller, cataloged under National Stock Number 3020-01-333-0191, 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 Heim Edwin L Co. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-333-0191 |
| Primary Part Number | 120RIV10FTCH |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Heim Edwin L Co |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.4375 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.1875 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.8750 INCHES IN |
| Second Chain Link Style | PIN |
| Effective Length | 10.0000 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 1.3750 INCHES IN |
| First Chain Link Style | ROLLER |
| First Chain Link Plate Width | 1.425 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Second Chain Link Plate Width | 1.230 INCHES NOMINAL IN |
| First Chain Link Nominal Width Between Plates | 1.0000 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.1875 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 |
|---|---|
| 120RIV10FTCH PRIMARY | Heim Edwin L Co (USA) |
NSN 3020-01-333-0191 is a Chain,roller, manufactured by Heim Edwin L Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-333-0191 has 1 manufacturer part number on file: 120RIV10FTCH (Heim Edwin L Co).
Key specifications for 120RIV10FTCH: Second Chain Link Pin Nominal Diameter: 0.4375 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.1875 INCHES IN; First Chain Link Roller Nominal Diameter: 0.8750 INCHES IN; Second Chain Link Style: PIN. 14 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.