The Pulley,groove, cataloged under National Stock Number 3020-01-086-3417, 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 Cummins Inc.. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-086-3417 |
| Primary Part Number | 300550700 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 1.625 INCHES NOMINAL AA END IN |
| Hub Outside Diameter | 1.125 INCHES NOMINAL BB END IN |
| Bore Feature | INCLUDED |
| Bearing Quantity | 1 |
| Securing Method | THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.906 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | OFFSET |
| Groove Shape | V |
| Outside Diameter | 4.656 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 4.656 INCHES NOMINAL IN |
| Groove Depth | 0.141 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 6 |
| V Groove Angle in Deg | 40.0 |
| Securing Hole Quantity | 2 |
| Thread Size | 3/8-16 |
| Bearing Type | SLEEVE |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.219 INCHES NOMINAL AA END IN |
| Hole Location | 2.125 INCH C TO C DISTANCE IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.665 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 1.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 300550700 PRIMARY | Cummins Inc. (USA) |
| MA207 21 523 PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| 3007070 | 5/9 Secondary reference Cummins Inc. |
NSN 3020-01-086-3417 is a Pulley,groove, manufactured by Cummins Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-086-3417 has 2 manufacturer part numbers on file: 300550700 (Cummins Inc.), MA207 21 523 (Am General Llc).
1 possible match (shared part number, not a government interchangeability claim): 5980-01-573-0690. Verify interchangeability with system specifications before substitution.
Key specifications for 300550700: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 1.625 INCHES NOMINAL AA END IN; Hub Outside Diameter: 1.125 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.