The Pulley,groove, cataloged under National Stock Number 3020-00-931-5474, 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 Eaton Corp Industrial Drives Opns Distributor Products Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-931-5474 |
| Primary Part Number | BC114-1IN |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Eaton Corp Industrial Drives Opns Distributor Products Div |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 2.500 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Securing Method | THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.625 INCHES NOMINAL IN |
| Design Form | SPOKED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Shape | V |
| Standard V-Belt Section Designation for Which Designed | B |
| Outside Diameter | 11.400 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 11.000 INCHES NOMINAL IN |
| Groove Depth | 0.406 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| V Groove Angle in Deg | 40.0 |
| Distance From Center of Bore to Bottom of Keyway | 0.625 INCHES NOMINAL IN |
| Securing Hole Quantity | 1 |
| Thread Size | 3/8-16 |
| Keyway Width | 0.250 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Hole Location | ON TOP OF KEYWAY |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.000 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 |
|---|---|
| BC114-1IN PRIMARY | Eaton Corp Industrial Drives Opns Distributor Products Div (USA) |
| Reference | Meaning |
|---|---|
| D19188-2 | 5/9 Secondary reference Rheem Mfg Co Air Conditioning Div |
NSN 3020-00-931-5474 is a Pulley,groove, manufactured by Eaton Corp Industrial Drives Opns Distributor Products Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-931-5474 has 1 manufacturer part number on file: BC114-1IN (Eaton Corp Industrial Drives Opns Distributor Products Div).
Key specifications for BC114-1IN: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 2.500 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED; Securing Method: THREADED HOLE(S). 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.