The Pulley,groove, cataloged under National Stock Number 3020-01-440-7580, 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 28 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-440-7580 |
| Primary Part Number | 3MVP80B94Q & Q2 1 7/8 |
| 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 |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 3.062 INCHES MINIMUM AND 3.438 INCHES MAXIMUM IN |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 9.680 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 9.400 INCHES NOMINAL IN |
| Groove Depth | 0.580 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 3 |
| V Groove Angle in Deg | 38.0 |
| Distance From Center of Bore to Bottom of Keyway | 1.187 INCHES NOMINAL IN |
| Keyway Width | 0.500 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.250 INCHES NOMINAL BB END IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.875 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Furnished Items | KEYING FACILITY |
| Face Width | 3.062 INCHES MINIMUM AND 3.438 INCHES MAXIMUM IN |
| Groove Width | 0.650 INCHES NOMINAL IN |
| Furnished Items and Quantity | ONE Q2 BUSHING |
| 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 |
|---|---|
| 3MVP80B94Q & Q2 1 7/8 PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| 0070199803 PRIMARY | Mcquay the (USA) |
| Reference | Meaning |
|---|---|
| 3MVP80B94Q 1.875IN.BORE | 3/9 Design control — primary reference Emerson Electric Co Browning Mfg Div |
| 186790-00 | 5/9 Secondary reference Mcquay the |
| 3MVP80B94Q | 5/1 Secondary reference Mcquay the |
NSN 3020-01-440-7580 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 3020-01-440-7580 has 2 manufacturer part numbers on file: 3MVP80B94Q & Q2 1 7/8 (Emerson Electric Co Browning Mfg Div), 0070199803 (Mcquay the).
Key specifications for 3MVP80B94Q & Q2 1 7/8: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 3.062 INCHES MINIMUM AND 3.438 INCHES MAXIMUM IN. 28 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.