The Pulley,cone, cataloged under National Stock Number 3020-00-477-5706, 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 29 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 | 3020-00-477-5706 |
| Primary Part Number | 5122237 |
| Item Name | Pulley,cone |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 2.880 INCHES NOMINAL AA END IN |
| Step Quantity | 1 |
| Bore Length | 2.800 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | OFFSET |
| First Step Face Largest Diameter and Location | 3.000 INCHES NOMINAL AA END IN |
| Groove/step Location | AA END |
| Face Type | STEP GROOVE |
| Groove Shape | V |
| Large End Outside Diameter | 7.500 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Small End Outside Diameter | 6.540 INCHES NOMINAL IN |
| Material Document and Classification | GM 13M MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Bore Type | STRAIGHT |
| Groove Quantity | 4 |
| Protruding Hub Characteristic | STEPPED |
| Bore Bearing | NOT INCLUDED |
| Distance From Center of Bore to Bottom of Keyway | 1.181 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Keyway Width | 0.376 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 1.718 INCHES NOMINAL AA END AND 1.920 INCHES NOMINAL BB END IN |
| Keying Facility | INCLUDED |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 2.000 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| 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 |
|---|---|
| 5122237 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
NSN 3020-00-477-5706 is a Pulley,cone, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-477-5706 has 1 manufacturer part number on file: 5122237 (Rolls-Royce Solutions America Inc).
Key specifications for 5122237: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 2.880 INCHES NOMINAL AA END IN; Step Quantity: 1; Bore Length: 2.800 INCHES NOMINAL IN. 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.