The Pulley,groove, cataloged under National Stock Number 3020-00-008-7943, 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 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-008-7943 |
| Primary Part Number | 5424018 |
| 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 |
| Hub Outside Diameter | 2.000 INCHES MINIMUM AND 2.280 INCHES MAXIMUM BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Bearing Quantity | 1 |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.440 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Groove Radius | 0.260 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Outside Diameter | 4.120 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 0.560 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Bearing Type | SLEEVE |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Surface Treatment | ZINC |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.781 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Face Width | 1.440 INCHES NOMINAL IN |
| Groove Width | 0.680 INCHES NOMINAL IN |
| Furnished Items and Quantity | BUSHING INSERT ONE |
| 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 |
|---|---|
| 5424018 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 38-201-022 | 5/9 Secondary reference Omark Industries Inc Hydraulic Materials Handling Div |
NSN 3020-00-008-7943 is a Pulley,groove, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-008-7943 has 1 manufacturer part number on file: 5424018 (Naval Sea Systems Command).
Key specifications for 5424018: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 2.000 INCHES MINIMUM AND 2.280 INCHES MAXIMUM BOTH ENDS IN; Bore Feature: INCLUDED; Bearing Quantity: 1. 25 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.