The Pulley,groove, cataloged under National Stock Number 3020-01-665-7946, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-665-7946 |
| Primary Part Number | AK54X 1 1/8 |
| 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 |
| Design Form | SPOKED |
| Groove Shape | V |
| Outside Diameter | 5.25 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 5.00 INCHES NOMINAL IN |
| Groove Quantity | 1 |
| Bore Diameter | 1.125 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Face Width | 0.75 INCHES NOMINAL IN |
| 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 |
|---|---|
| 3195138 | Emerson Electric Co Browning Mfg Div (USA) |
| AK54X 1 1/8 PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
NSN 3020-01-665-7946 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 3020-01-665-7946 has 2 manufacturer part numbers on file: 3195138 (Emerson Electric Co Browning Mfg Div), AK54X 1 1/8 (Emerson Electric Co Browning Mfg Div).
Key specifications for AK54X 1 1/8: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Design Form: SPOKED; Groove Shape: V. 12 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.