The Chain,roller, cataloged under National Stock Number 3020-00-618-5985, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-618-5985 |
| Primary Part Number | X-1282 |
| 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 |
| Second Chain Link Style | ROLLERLESS |
| Effective Length | 1.3333 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.1875 INCHES IN |
| First Chain Link Style | PIN |
| First Chain Link Pin Nominal Diameter | 0.1410 INCHES IN |
| Nominal Pitch Distance | 0.375 INCHES IN |
| First Chain Link Plate Width | 0.307 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED AND SPRING CLIP |
| Second Chain Link Plate Width | 0.356 INCHES NOMINAL IN |
| Minimum Tensile Strength | 2100 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 0.2875 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0500 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 |
|---|---|
| X-1282 PRIMARY | Diamond Chain Co Div of Amsted Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 300594 | 3/9 Design control — primary reference Diamond Chain Co Div of Amsted Industries Inc |
| 82 | 5/9 Secondary reference Diamond Chain Co Div of Amsted Industries Inc |
| 35 | 5/9 Secondary reference Diamond Chain Co Div of Amsted Industries Inc |
NSN 3020-00-618-5985 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 3020-00-618-5985 has 1 manufacturer part number on file: X-1282 (Diamond Chain Co Div of Amsted Industries Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-163-7859, 4720-01-168-1969, 3020-01-614-0310. Verify interchangeability with system specifications before substitution.
Key specifications for X-1282: Second Chain Link Plate Nominal Thickness: 0.0500 INCHES IN; Second Chain Link Bushing Nominal Outside Diameter: 0.2000 INCHES IN; Second Chain Link Style: ROLLERLESS; Effective Length: 1.3333 FEET NOMINAL FT. 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.