The Chain,roller, cataloged under National Stock Number 3020-01-198-8663, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-198-8663 |
| Primary Part Number | 100HS |
| 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 | 0.3750 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.1870 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.7500 INCHES IN |
| Pin Overall Length | 1.1100 INCHES NOMINAL IN |
| Second Chain Link Style | PIN |
| Second Chain Link Nominal Width Between Plates | 0.7500 INCHES IN |
| First Chain Link Style | ROLLER |
| First Chain Link Plate Width | 1.187 INCHES NOMINAL IN |
| Pin Fastening Method | COTTER PIN |
| Second Chain Link Plate Width | 1.0250 INCHES NOMINAL IN |
| First Chain Link Nominal Width Between Plates | 0.7500 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.1870 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 |
|---|---|
| 100HS PRIMARY | Diamond Chain Co Div of Amsted Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 3970-0145-001 | C/1 Advisory reference — outside the item-of-supply concept Antenna Products Corporation Dba Antenna Products Corp |
| 3970-0145 | 5/9 Secondary reference Antenna Products Corporation Dba Antenna Products Corp |
NSN 3020-01-198-8663 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 3020-01-198-8663 has 1 manufacturer part number on file: 100HS (Diamond Chain Co Div of Amsted Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-382-2663. Verify interchangeability with system specifications before substitution.
Key specifications for 100HS: Second Chain Link Pin Nominal Diameter: 0.3750 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.1870 INCHES IN; First Chain Link Roller Nominal Diameter: 0.7500 INCHES IN; Pin Overall Length: 1.1100 INCHES NOMINAL IN. 14 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.