The Pulley,groove, cataloged under National Stock Number 3020-01-396-7772, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-396-7772 |
| Primary Part Number | 2AK59X 1 3/8 (1.375) |
| 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 | 1.375 INCHES NOMINAL IN |
| Design Form | SPOKED |
| Web/spoke Relationship to Face Centerline | OFFSET |
| Groove Shape | V |
| Standard V-Belt Section Designation for Which Designed | 4L AND A |
| Outside Diameter | 5.750 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Shaft Size for Which Designed | 1.375 INCHES NOMINAL IN |
| Quantity | 1 |
| Style Designator | PLAIN |
| Groove Depth | 0.490 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 2 |
| V Groove Angle in Deg | 34.0 |
| Distance From Center of Bore to Bottom of Keyway | 0.688 INCHES NOMINAL IN |
| Keyway Width | 0.312 INCHES NOMINAL IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.375 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Furnished Items | KEYING FACILITY |
| Face Width | 1.375 INCHES NOMINAL IN |
| Groove Width | 0.494 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 |
|---|---|
| 2AK59X 1 3/8 (1.375) PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| Reference | Meaning |
|---|---|
| 2AK59H | 5/1 Secondary reference Emerson Electric Co Browning Mfg Div |
| 2AK59H | C/1 Advisory reference — outside the item-of-supply concept Fan Equipment Co Inc |
| 2AK59H-1.375 BORE | 3/9 Design control — primary reference Emerson Electric Co Browning Mfg Div |
NSN 3020-01-396-7772 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 3020-01-396-7772 has 1 manufacturer part number on file: 2AK59X 1 3/8 (1.375) (Emerson Electric Co Browning Mfg Div).
Key specifications for 2AK59X 1 3/8 (1.375): Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 1.375 INCHES NOMINAL IN. 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.