The Pulley,groove, cataloged under National Stock Number 3020-01-100-8078, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-100-8078 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 4.230 INCHES MAXIMUM BB END IN |
| Hub Outside Diameter | 4.335 INCHES MINIMUM AA END IN |
| Bore Feature | INCLUDED |
| Taper Bore Minor Diameter | 2.735 INCHES NOMINAL IN |
| Securing Method | DRILLED HOLE AND THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.260 INCHES NOMINAL IN |
| Design Form | SPOKED |
| Web/spoke Relationship to Face Centerline | OFFSET |
| Groove Shape | V |
| Standard V-Belt Section Designation for Which Designed | 3V V |
| Outside Diameter | 10.610 INCHES NOMINAL IN |
| Taper Major Diameter Location | BB END |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 10.260 INCHES NOMINAL IN |
| Groove Depth | 0.363 INCHES NOMINAL IN |
| Bore Type | TAPERED |
| Bearings | NOT INCLUDED |
| Groove Quantity | 2 |
| Taper Bore Major Diameter | 2.805 INCHES NOMINAL IN |
| V Groove Angle in Deg | 42.0 |
| Protruding Hub Characteristic | PLAIN |
| Securing Hole Quantity | 3 |
| Bolt Circle Diameter | 3.374 INCHES NOMINAL IN |
| Thread Size | 5/16-18 |
| Drilled Hole Diameter | 0.350 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.415 INCHES MINIMUM AA END AND 0.236 INCHES MAXIMUM BB END IN |
| 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 |
|---|---|
| NP5018070 | 3/9 Design control — primary reference Barber-Greene Co |
| NP5018070 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
NSN 3020-01-100-8078 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-100-8078: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 4.230 INCHES MAXIMUM BB END IN; Hub Outside Diameter: 4.335 INCHES MINIMUM AA END IN; Bore Feature: INCLUDED. 29 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.