The Pulley,groove, cataloged under National Stock Number 3020-01-429-4345, 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 Emerson Electric Co Browning Mfg Div. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-429-4345 |
| Primary Part Number | 2B5V48 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Emerson Electric Co Browning Mfg Div |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 3.6875 INCHES NOMINAL AA END IN |
| Bore Feature | INCLUDED |
| Bore Length | 2.4844 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | U |
| Outside Diameter | 5.080 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Bore Type | STRAIGHT |
| Groove Quantity | 2 |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.5156 INCHES NOMINAL AA END IN |
| Material | IRON CAST OVERALL |
| Face Width | 1.9688 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 |
|---|---|
| 19850B006 IT 5 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| 2B5V48 PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| Reference | Meaning |
|---|---|
| 19850B006 | D/9 Drawing number reference only Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
NSN 3020-01-429-4345 is a Pulley,groove, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-429-4345 has 2 manufacturer part numbers on file: 19850B006 IT 5 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), 2B5V48 (Emerson Electric Co Browning Mfg Div).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-429-6885. Verify interchangeability with system specifications before substitution.
Key specifications for 2B5V48: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 3.6875 INCHES NOMINAL AA END IN; Bore Feature: INCLUDED; Bore Length: 2.4844 INCHES NOMINAL IN. 15 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.