The Pulley,groove, cataloged under National Stock Number 3020-00-008-7942, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-008-7942 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Bearing Quantity | 1 |
| Split Hub Feature | NOT INCLUDED |
| Design Form | PLAIN |
| Outside Diameter | 8.000 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 1 |
| Bearing Type | SLEEVE |
| Surface Treatment | ZINC |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.781 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Face Width | 1.500 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 |
| Reference | Meaning |
|---|---|
| 5424019 | 5/2 Secondary reference U.S. Government activity |
| 5424019 | 3/9 Design control — primary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 38-201-020 | 5/9 Secondary reference Omark Industries Inc Hydraulic Materials Handling Div |
| 5424019 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-008-7942 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3020-01-202-3645. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-008-7942: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Bearing Quantity: 1; Split Hub Feature: NOT INCLUDED. 18 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.