The Pulley,groove, cataloged under National Stock Number 3020-01-274-4912, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Touch Plate Electro Systems Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-274-4912 |
| Primary Part Number | 2027-1 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Touch Plate Electro Systems Inc |
| Status | ACTIVE |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Face Width | 1.906 INCHES NOMINAL IN |
| Groove Quantity | 4 |
| Groove Shape | V |
| Lightening Hole | NOT INCLUDED |
| Bore Type | STRAIGHT |
| Bore Feature | INCLUDED |
| Design Form | WEBBED |
| Counterbore Feature | NOT INCLUDED |
| Bearings | NOT INCLUDED |
| Integral Cooling Vane | NOT INCLUDED |
| Distance From Outside Flange/rim to Hub End and Location | 0.812 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | WEBBED OR SPOKED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2027-1 | Touch Plate Electro Systems Inc (USA) |
| 12027-1 | Everett Industries Inc (USA) |
| 3V4.50X4GR | TB Woods's Corporation (USA) |
| 2028-10 HP-VBEL | Everett Industries Inc (USA) |
NSN 3020-01-274-4912 is a Pulley,groove, manufactured by Touch Plate Electro Systems Inc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-01-274-4912 has 4 cross-referenced part numbers: 2027-1 (Touch Plate Electro Systems Inc), 12027-1 (Everett Industries Inc), 3V4.50X4GR (TB Woods's Corporation), 2028-10 HP-VBEL (Everett Industries Inc).
There are 12 known substitutes for 3020-01-274-4912: 5315-00-023-4425, 5940-00-143-4663, 5310-00-274-9870 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2027-1: Outside Diameter: 4.500 INCHES NOMINAL IN; Material: IRON CAST OVERALL; Web/spoke Relationship to Face Centerline: NOT OFFSET; Face Width: 1.906 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.