The Chain,roller, cataloged under National Stock Number 3020-00-252-6604, 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 Rexnord Holdings Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-252-6604 |
| Primary Part Number | 1-294413 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rexnord Holdings Inc |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.3750 INCHES IN |
| Link Plate Width at Pin End | 2.125 INCHES NOMINAL IN |
| Link Pin Nominal Diameter | 0.7500 INCHES IN |
| Effective Length | 13.7500 FEET NOMINAL FT |
| Link Roller Nominal Diameter | 1.6250 INCHES IN |
| Minimum Tensile Strength | 100000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL |
| Link Nominal Width Between Plates | 1.5620 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 |
|---|---|
| 1-294413 PRIMARY | Rexnord Holdings Inc (USA) |
| TYPE568-54LINKS PRIMARY | Rexnord Holdings Inc (USA) |
| Reference | Meaning |
|---|---|
| 1-294413 | 5/9 Secondary reference Lucas Western Inc |
NSN 3020-00-252-6604 is a Chain,roller, manufactured by Rexnord Holdings Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-252-6604 has 2 manufacturer part numbers on file: 1-294413 (Rexnord Holdings Inc), TYPE568-54LINKS (Rexnord Holdings Inc).
1 possible match (shared part number, not a government interchangeability claim): 1620-01-240-3097. Verify interchangeability with system specifications before substitution.
Key specifications for 1-294413: Link Plate Nominal Thickness: 0.3750 INCHES IN; Link Plate Width at Pin End: 2.125 INCHES NOMINAL IN; Link Pin Nominal Diameter: 0.7500 INCHES IN; Effective Length: 13.7500 FEET NOMINAL FT. 8 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.