The Pulley,groove, cataloged under National Stock Number 3020-01-364-1871, 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 Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-364-1871 |
| Primary Part Number | 310523F01 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am |
| Status | ACTIVE |
| Design Form | PLAIN |
| Criticality Code Justification | FEAT |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 174.0 MILLIMETERS NOMINAL MM |
| Distance From Outside Flange/rim to Hub End and Location | 53.0 MILLIMETERS NOMINAL AA END MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 310523F01 PRIMARY | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA) |
| 310523F01VM | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 310523F01 | 5/1 Secondary reference Isotta Fraschini Motori Spa |
| 310523F01 | 5/9 Secondary reference Grandi Motori Fincantieri /fggm/ Div |
NSN 3020-01-364-1871 is a Pulley,groove, manufactured by Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-364-1871 has 2 manufacturer part numbers on file: 310523F01 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am), 310523F01VM (Naval Inventory Control Point Mechanicsburg).
Key specifications for 310523F01: Design Form: PLAIN; Criticality Code Justification: FEAT; Style Designator: WEBBED OR SPOKED; Pitch Diameter: 174.0 MILLIMETERS NOMINAL MM. 5 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.