The Chain,roller, cataloged under National Stock Number 3020-01-424-6209, 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 Appleton Marine Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-424-6209 |
| Primary Part Number | YMD-6965 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.2340 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.0940 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.4690 INCHES IN |
| Second Chain Link Style | PIN |
| Effective Length | 5.2500 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.6880 INCHES IN |
| First Chain Link Style | ROLLER |
| Nominal Pitch Distance | 0.7500 INCHES IN |
| First Chain Link Plate Width | 0.7030 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Second Chain Link Plate Width | 0.7030 INCHES NOMINAL IN |
| First Chain Link Nominal Width Between Plates | 0.5000 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0940 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 |
|---|---|
| YMD-6965 PRIMARY | Appleton Marine Inc (USA) |
| NO.60-84PITCH PRIMARY | Diamond Chain Co Div of Amsted Industries Inc (USA) |
| AMD-1088 IT-78 | Appleton Marine Inc (USA) |
| NO.60-84PITCH | Altra Industrial Motion Corp. (USA) |
| Reference | Meaning |
|---|---|
| ANSI #60 84 PITCH | 5/2 Secondary reference U.S. Government activity |
| NO.60-84PITCH | 5/9 Secondary reference Emerson Power Transmission Corporation Div Ept |
| NO.60-84PITCH | 5/9 Secondary reference Rexnord Industries Inc. Div Roller Chain Operation |
NSN 3020-01-424-6209 is a Chain,roller, manufactured by Appleton Marine Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-424-6209 has 4 manufacturer part numbers on file: YMD-6965 (Appleton Marine Inc), NO.60-84PITCH (Diamond Chain Co Div of Amsted Industries Inc), AMD-1088 IT-78 (Appleton Marine Inc), NO.60-84PITCH (Altra Industrial Motion Corp.).
Key specifications for YMD-6965: Second Chain Link Pin Nominal Diameter: 0.2340 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.0940 INCHES IN; First Chain Link Roller Nominal Diameter: 0.4690 INCHES IN; Second Chain Link Style: PIN. 15 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.