The Pulley,groove, cataloged under National Stock Number 3020-01-341-8680, 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 Naval Sea Systems Command. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3020-01-341-8680 |
| Primary Part Number | 122-6295408 PIECE 3 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Shape | U |
| Outside Diameter | 17.625 INCHES NOMINAL IN |
| Groove Quantity | 1 |
| Material | STEEL OVERALL |
| Face Width | 2.750 INCHES NOMINAL IN |
| Groove Width | 1.750 INCHES NOMINAL IN |
| Furnished Items and Quantity | BUSHING |
| Lightening Hole | NOT INCLUDED |
| 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 |
|---|---|
| 122-6295408 PIECE 3 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6295408 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-341-8680 is a Pulley,groove, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-341-8680 has 1 manufacturer part number on file: 122-6295408 PIECE 3 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-341-8681. Verify interchangeability with system specifications before substitution.
Key specifications for 122-6295408 PIECE 3: Integral Cooling Vane: NOT INCLUDED; Split Hub Feature: NOT INCLUDED; Design Form: WEBBED; Web/spoke Relationship to Face Centerline: NOT OFFSET. 12 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.