The Chain,roller, cataloged under National Stock Number 3020-00-382-8286, 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 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-382-8286 |
| Primary Part Number | 40-2-2440 |
| 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 Pin Nominal Diameter | 0.1560 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.0600 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.3120 INCHES IN |
| Second Chain Link Style | PIN |
| Effective Length | 1.0000 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.4320 INCHES IN |
| First Chain Link Style | ROLLER |
| Nominal Pitch Distance | 0.500 INCHES IN |
| First Chain Link Plate Width | 0.475 INCHES NOMINAL IN |
| Pin Fastening Method | COTTER PIN AND RIVETED |
| Second Chain Link Plate Width | 0.410 INCHES NOMINAL IN |
| Minimum Tensile Strength | 6250 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 0.3120 INCHES IN |
| Link Row Quantity | 2 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0600 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 |
|---|---|
| 40-2-2440 PRIMARY | Diamond Chain Co Div of Amsted Industries Inc (USA) |
| 40-2-24P | Altra Industrial Motion Corp. (USA) |
| Reference | Meaning |
|---|---|
| D66-24 | 5/9 Secondary reference Diamond Chain Co Div of Amsted Industries Inc |
| RCD40-24P | 5/9 Secondary reference Fmc Corp Link-Belt Div |
| 40-2-24 | 5/9 Secondary reference U.S. Government activity |
| RC40-2-24P | 5/9 Secondary reference Fmc Corp Link-Belt Div |
| 10860-23 | 5/9 Secondary reference Prosperity a Div of Ametek Inc |
NSN 3020-00-382-8286 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 3020-00-382-8286 has 2 manufacturer part numbers on file: 40-2-2440 (Diamond Chain Co Div of Amsted Industries Inc), 40-2-24P (Altra Industrial Motion Corp.).
8 possible matches (shared part number, not a government interchangeability claim): 5999-00-481-1422, 5360-00-974-7106, 5310-01-114-3737. Verify interchangeability with system specifications before substitution.
Key specifications for 40-2-2440: Second Chain Link Pin Nominal Diameter: 0.1560 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.0600 INCHES IN; First Chain Link Roller Nominal Diameter: 0.3120 INCHES IN; Second Chain Link Style: PIN. 16 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.