The Link,roller Chain, cataloged under National Stock Number 3020-00-619-9331, 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 Altra Industrial Motion Corp.. Government technical data includes 10 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 | 3020-00-619-9331 |
| Primary Part Number | 40SLK1 |
| Item Name | Link,roller Chain |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Link Hole Nominal Height Above Center | 0.3120 INCHES IN |
| Link Plate Nominal Thickness | 0.0600 INCHES IN |
| Link Style | ROLLER, BENT EXTENSION, ONE HOLE, TWO SIDES |
| Link Hole Nominal Distance From Center | 0.5000 INCHES IN |
| Link Roller Nominal Diameter | 0.3120 INCHES IN |
| Nominal Pitch Distance | 0.500 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| Link Nominal Width Between Plates | 0.3120 INCHES IN |
| Link Hole Nominal Diameter | 0.1250 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 |
|---|---|
| 40SLK1 PRIMARY | Altra Industrial Motion Corp. (USA) |
NSN 3020-00-619-9331 is a Link,roller Chain, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-619-9331 has 1 manufacturer part number on file: 40SLK1 (Altra Industrial Motion Corp.).
Key specifications for 40SLK1: Link Hole Nominal Height Above Center: 0.3120 INCHES IN; Link Plate Nominal Thickness: 0.0600 INCHES IN; Link Style: ROLLER, BENT EXTENSION, ONE HOLE, TWO SIDES; Link Hole Nominal Distance From Center: 0.5000 INCHES IN. 10 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.