The Pulley,groove, cataloged under National Stock Number 3020-01-377-4032, 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 Palfinger Marine Usa, Llc. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Pulley,groove |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Palfinger Marine Usa, Llc (CAGE 63504) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-377-4032 |
| Primary Part Number | 1-A-131 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Palfinger Marine Usa, Llc |
| 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 |
|---|---|
| MODEL D22 | Palfinger Marine Usa, Llc (USA) |
| 1-A-131 PRIMARY | Palfinger Marine Usa, Llc (USA) |
| 711460 ITEM 12 | Palfinger Marine Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| 711460 | D/9 Drawing number reference only Palfinger Marine Usa, Llc |
NSN 3020-01-377-4032 is a Pulley,groove, manufactured by Palfinger Marine Usa, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-377-4032 has 3 manufacturer part numbers on file: MODEL D22 (Palfinger Marine Usa, Llc), 1-A-131 (Palfinger Marine Usa, Llc), 711460 ITEM 12 (Palfinger Marine Usa, Llc).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-377-7839. 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.