The Pulley,groove, cataloged under National Stock Number 3020-00-189-4889, 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 Superior Air Products Co. Government technical data includes 25 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 | 3020-00-189-4889 |
| Primary Part Number | A-22651 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Superior Air Products Co |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 14.688 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 13.600 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 13.000 INCHES NOMINAL IN |
| Groove Depth | 0.350 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 10 |
| V Groove Angle in Deg | 42.0 |
| Distance From Center of Bore to Bottom of Keyway | 1.812 INCHES NOMINAL IN |
| Keyway Width | 0.750 INCHES NOMINAL IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 2.875 INCHES NOMINAL IN |
| Material | IRON OVERALL |
| Furnished Items | KEYING FACILITY |
| Face Width | 14.688 INCHES NOMINAL IN |
| Groove Width | 0.350 INCHES NOMINAL IN |
| Lightening Hole | NOT 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 |
|---|---|
| A-22651 PRIMARY | Superior Air Products Co (USA) |
NSN 3020-00-189-4889 is a Pulley,groove, manufactured by Superior Air Products Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-189-4889 has 1 manufacturer part number on file: A-22651 (Superior Air Products Co).
Key specifications for A-22651: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 14.688 INCHES NOMINAL IN. 25 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.