The Pulley,groove, cataloged under National Stock Number 3020-01-100-9027, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-100-9027 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 4.475 INCHES NOMINAL AA END IN |
| Hub Outside Diameter | 4.475 INCHES NOMINAL BB END IN |
| Bore Feature | INCLUDED |
| Taper Bore Minor Diameter | 2.750 INCHES NOMINAL IN |
| Securing Method | DRILLED HOLE AND THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.250 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Shape | V |
| Standard V-Belt Section Designation for Which Designed | 3V V |
| Outside Diameter | 8.000 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 7.650 INCHES NOMINAL IN |
| Groove Depth | 0.365 INCHES NOMINAL IN |
| Bore Type | TAPERED |
| Bearings | NOT INCLUDED |
| Groove Quantity | 6 |
| Taper Bore Major Diameter | 2.815 INCHES NOMINAL IN |
| V Groove Angle in Deg | 42.0 |
| Securing Hole Quantity | 6 |
| Thread Size | 0.312-18 |
| Drilled Hole Diameter | 0.375 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.600 INCHES NOMINAL AA END AND 0.925 INCHES NOMINAL BB END IN |
| Hole Location | 3.000 IN.EQUALLY SPACED FROM BOLT CIRCLE IN |
| Counterbore Feature | NOT INCLUDED |
| Material | STEEL OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| 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 |
|---|---|
| NP5018004 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| NP5018004 | 3/9 Design control — primary reference Barber-Greene Co |
NSN 3020-01-100-9027 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-100-9027: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 4.475 INCHES NOMINAL AA END IN; Hub Outside Diameter: 4.475 INCHES NOMINAL BB END IN; Bore Feature: INCLUDED. 30 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.