The Pulley,cone, cataloged under National Stock Number 3020-00-497-6507, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-497-6507 |
| Primary Part Number | 5172779 |
| Item Name | Pulley,cone |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Hub Outside Diameter | 3.000 INCHES NOMINAL AA END IN |
| Bore Length | 3.312 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | OFFSET |
| Face Type | STEP GROOVE |
| Groove Shape | V |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 0.625 INCHES NOMINAL AND 0.851 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Groove Quantity | 3 |
| V Groove Angle in Deg | 34.0 |
| Protruding Hub Characteristic | PLAIN |
| Bore Bearing | NOT INCLUDED |
| Distance From Center of Bore to Bottom of Keyway | 1.176 INCHES MINIMUM AND 1.186 INCHES MAXIMUM IN |
| Keyway Width | 0.376 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN |
| Step Outside Diameter | 9.000 INCHES NOMINAL AND 7.500 INCHES NOMINAL IN |
| Distance From Outside Flange/rim to Hub End and Location | 2.812 INCHES NOMINAL AA END AND 3.000 INCHES NOMINAL BB END IN |
| Keying Facility | INCLUDED |
| Bore Diameter | 2.000 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Groove Width | 0.656 INCHES NOMINAL AND 0.812 INCHES NOMINAL IN |
| Lightening Hole | INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5172779 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
NSN 3020-00-497-6507 is a Pulley,cone, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-497-6507 has 1 manufacturer part number on file: 5172779 (Rolls-Royce Solutions America Inc).
Key specifications for 5172779: Hub Outside Diameter: 3.000 INCHES NOMINAL AA END IN; Bore Length: 3.312 INCHES NOMINAL IN; Design Form: WEBBED; Web/spoke Relationship to Face Centerline: OFFSET. 24 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.