The Chain,roller, cataloged under National Stock Number 3020-01-143-3487, 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 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-143-3487 |
| Primary Part Number | 25-2P0L |
| 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 | 0.0300 INCHES IN |
| Second Chain Link Bushing Nominal Outside Diameter | 0.1300 INCHES IN |
| Second Chain Link Style | ROLLERLESS |
| Second Chain Link Nominal Width Between Plates | 0.1250 INCHES IN |
| First Chain Link Style | PIN |
| First Chain Link Pin Nominal Diameter | 0.0900 INCHES IN |
| First Chain Link Plate Width | 0.205 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Second Chain Link Plate Width | 0.237 INCHES NOMINAL IN |
| First Chain Link Nominal Width Between Plates | 0.1250 INCHES IN |
| Link Row Quantity | 2 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0300 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 |
|---|---|
| 25-2P0L PRIMARY | Diamond Chain Co Div of Amsted Industries Inc (USA) |
NSN 3020-01-143-3487 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 3020-01-143-3487 has 1 manufacturer part number on file: 25-2P0L (Diamond Chain Co Div of Amsted Industries Inc).
Key specifications for 25-2P0L: Second Chain Link Plate Nominal Thickness: 0.0300 INCHES IN; Second Chain Link Bushing Nominal Outside Diameter: 0.1300 INCHES IN; Second Chain Link Style: ROLLERLESS; Second Chain Link Nominal Width Between Plates: 0.1250 INCHES IN. 13 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.