The Guard,mechanical Drive, cataloged under National Stock Number 3020-01-144-3797, 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 Alfa Laval Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Guard,mechanical Drive |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Alfa Laval Inc (CAGE 71871) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-144-3797 |
| Primary Part Number | AE331-8 |
| Item Name | Guard,mechanical Drive |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Alfa Laval Inc |
| 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 |
|---|---|
| AE331-8 | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| AE331-8 | 3/9 Design control — primary reference Alfa Laval Inc. |
| A-E331-4 | 5/9 Secondary reference Alfa Laval Inc. |
| EED4244 | 5/9 Secondary reference Equipment Engineering Inc |
| 3N-193 PIECE 11 | C/1 Advisory reference — outside the item-of-supply concept Alfa Laval Inc. |
NSN 3020-01-144-3797 is a Guard,mechanical Drive, manufactured by Alfa Laval Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-144-3797 has 1 manufacturer part number on file: AE331-8 (Alfa Laval Inc).
1 possible match (shared part number, not a government interchangeability claim): 5977-01-199-9362. Verify interchangeability with system specifications before substitution.
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.