The Pulley,groove, cataloged under National Stock Number 3020-01-185-3044, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-185-3044 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 0.250 INCHES MAXIMUM BB END IN |
| Hub Outside Diameter | 0.375 INCHES MINIMUM AA END IN |
| Bore Feature | INCLUDED |
| Securing Method | DRILLED HOLE |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.486 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | OFFSET |
| Groove Radius | 0.075 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 2.061 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | QQ-A-225/3, T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 0.033 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Securing Hole Quantity | 1 |
| Drilled Hole Diameter | 0.0625 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.248 INCHES MINIMUM AA END AND 0.564 INCHES MAXIMUM BB END IN |
| Hole Location | 0.076 IN FROM END IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.1875 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2011 OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 5897W45P002 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-185-3044 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-185-3044: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 0.250 INCHES MAXIMUM BB END IN; Hub Outside Diameter: 0.375 INCHES MINIMUM AA END IN; Bore Feature: INCLUDED. 28 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.
NSN 3020-01-185-3044 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.