The Chain,roller, cataloged under National Stock Number 3020-00-629-2182, 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 Diamond Chain Co Div of Amsted Industries Inc. Government technical data includes 19 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-629-2182 |
| Primary Part Number | X-5217273-120 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Diamond Chain Co Div of Amsted Industries Inc |
| Status | ACTIVE |
| Second Chain Link Plate Nominal Thickness | 0.0500 INCHES IN |
| Second Chain Link Bushing Nominal Outside Diameter | 0.2000 INCHES IN |
| Criticality Code Justification | FEAT |
| Pin Overall Length | 0.8650 INCHES NOMINAL IN |
| Second Chain Link Style | ROLLERLESS |
| Effective Length | 3.7500 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.1880 INCHES IN |
| First Chain Link Style | PIN |
| First Chain Link Pin Nominal Diameter | 0.1410 INCHES IN |
| End Connection Style | PIN HOLE |
| Nominal Pitch Distance | 0.375 INCHES IN |
| First Chain Link Plate Width | 0.350 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Second Chain Link Plate Width | 0.350 INCHES NOMINAL IN |
| First Chain Link Nominal Width Between Plates | 0.1880 INCHES IN |
| Link Row Quantity | 2 |
| Material | STEEL |
| Link Plate Width | 0.865 INCHES NOMINAL IN |
| First Chain Link Plate Nominal Thickness | 0.0500 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| X-5217273-120 PRIMARY | Diamond Chain Co Div of Amsted Industries Inc (USA) |
| 11671383 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3020006292182 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| X-521273-120 | 5/9 Secondary reference Diamond Chain Co Div of Amsted Industries Inc |
| 323124 | 5/9 Secondary reference Emerson Power Transmission Corporation Div Ept |
| 323124 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-629-2182 is a Chain,roller, manufactured by Diamond Chain Co Div of Amsted Industries Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-629-2182 has 2 manufacturer part numbers on file: X-5217273-120 (Diamond Chain Co Div of Amsted Industries Inc), 11671383 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for X-5217273-120: Second Chain Link Plate Nominal Thickness: 0.0500 INCHES IN; Second Chain Link Bushing Nominal Outside Diameter: 0.2000 INCHES IN; Criticality Code Justification: FEAT; Pin Overall Length: 0.8650 INCHES NOMINAL IN. 19 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.
NSN 3020-00-629-2182 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.