The Pulley,groove, cataloged under National Stock Number 3020-01-044-6402, 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29 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-044-6402 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Taper Bore Minor Diameter | 0.996 INCHES NOMINAL IN |
| Securing Method | NUT(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.520 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | OFFSET |
| Groove Shape | V |
| Keyway Spacing in Deg | 360.0 |
| Outside Diameter | 5.500 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Taper Major Diameter Location | AA END |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.875 INCHES NOMINAL IN |
| Groove Depth | 0.625 INCHES NOMINAL IN |
| Bore Type | TAPERED |
| Bearings | NOT INCLUDED |
| Groove Quantity | 4 |
| Taper Bore Major Diameter | 1.015 INCHES NOMINAL IN |
| V Groove Angle in Deg | 38.0 |
| Protruding Hub Characteristic | PLAIN |
| Distance From Center of Bore to Bottom of Keyway | 0.623 INCHES NOMINAL IN |
| Keyway Width | 0.253 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Surface Treatment | PAINT |
| Distance From Outside Flange/rim to Hub End and Location | 0.360 INCHES NOMINAL AA END AND 1.910 INCHES NOMINAL 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 |
|---|---|
| 13207E8605 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-044-6402 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-044-6402: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Taper Bore Minor Diameter: 0.996 INCHES NOMINAL IN; Securing Method: NUT(S). 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.