The Gear,ring, cataloged under National Stock Number 3020-01-280-9500, 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 Aero International, Llc Dba Ams Engineered Solutions. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Gear,ring |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Aero International, Llc Dba Ams Engineered Solutions (CAGE 0SML3); Leonardo Spa Helicopters Division - Production Site (CAGE A0126); L3 Technologies, Inc. Div Ocean Systems (CAGE 60225); Leonardo S.p.a. Div Electronics (CAGE A0810) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-280-9500 |
| Primary Part Number | 3329271 |
| Item Name | Gear,ring |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Aero International, Llc Dba Ams Engineered Solutions |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3329271 PRIMARY | Aero International, Llc Dba Ams Engineered Solutions (USA) |
| T0073615 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 3329271 PRIMARY | L3 Technologies, Inc. Div Ocean Systems (USA) |
| T0073615 | Leonardo S.p.a. Div Electronics (ITA) |
| Reference | Meaning |
|---|---|
| 3329271 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 3020-01-280-9500 is a Gear,ring, manufactured by Aero International, Llc Dba Ams Engineered Solutions, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-280-9500 has 4 manufacturer part numbers on file: 3329271 (Aero International, Llc Dba Ams Engineered Solutions), T0073615 (Leonardo Spa Helicopters Division - Production Site), 3329271 (L3 Technologies, Inc. Div Ocean Systems), T0073615 (Leonardo S.p.a. Div Electronics).
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.