The Chain Assembly,roller, cataloged under National Stock Number 3020-01-668-2563, 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 Northrop Grumman Systems Corp Div Weapon System. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-668-2563 |
| Primary Part Number | 762-2517 |
| Item Name | Chain Assembly,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Northrop Grumman Systems Corp Div Weapon System |
| Status | ACTIVE |
| 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 |
|---|---|
| 762-2517 PRIMARY | Northrop Grumman Systems Corp Div Weapon System (USA) |
| 2 0238-364 | Bae Systems Hagglunds Aktiebolag (SWE) |
| Reference | Meaning |
|---|---|
| 762-2517 | 3/9 Design control — primary reference Alliant Techsystems Operations Llc |
NSN 3020-01-668-2563 is a Chain Assembly,roller, manufactured by Northrop Grumman Systems Corp Div Weapon System, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-668-2563 has 2 manufacturer part numbers on file: 762-2517 (Northrop Grumman Systems Corp Div Weapon System), 2 0238-364 (Bae Systems Hagglunds Aktiebolag).
Key specifications for 762-2517: Part Name Assigned by Controlling Agency: ROLLER, CRANK; End Item Identification: 7.62 MM AUTOMATIC CHAIN GUN MM. 0 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.