The Pulley,groove, cataloged under National Stock Number 3020-01-327-0488, 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 27 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-327-0488 |
| Primary Part Number | 10L40P USE P1 BUSHING |
| 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 |
| Securing Method | SPLIT-TAPERED BUSHING |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 2.438 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 4.000 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 4.000 INCHES NOMINAL IN |
| Groove Depth | 0.490 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 10 |
| V Groove Angle in Deg | 34.0 |
| Distance From Center of Bore to Bottom of Keyway | 1.187 INCHES NOMINAL IN |
| Keyway Width | 0.062 INCHES NOMINAL IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.625 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Furnished Items | KEYING FACILITY |
| Face Width | 2.438 INCHES NOMINAL IN |
| Groove Width | 0.494 INCHES NOMINAL IN |
| Securing Location | PULLEY SURFACE |
| 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 |
|---|---|
| 10L40P USE P1 BUSHING PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| Reference | Meaning |
|---|---|
| 500K0481 | 7/1 Vendor item drawing reference Drs Environmental Systems Inc |
| 500K0481-5 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 10L40P W/P1 BSHG(1.625"BORE) | 5/9 Secondary reference Emerson Electric Co Browning Mfg Div |
| 500K0481-5 | 5/2 Secondary reference U.S. Government activity |
| 500K0481-5 | 5/9 Secondary reference U.S. Government activity |
| 500K0481 | 7/9 Vendor item drawing reference U.S. Government activity |
NSN 3020-01-327-0488 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 3020-01-327-0488 has 1 manufacturer part number on file: 10L40P USE P1 BUSHING (Emerson Electric Co Browning Mfg Div).
Key specifications for 10L40P USE P1 BUSHING: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Securing Method: SPLIT-TAPERED BUSHING; Split Hub Feature: NOT INCLUDED. 27 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.