The Pulley,groove, cataloged under National Stock Number 3020-01-069-8534, 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 Arvan, Inc. Dba Aerospace Division. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-069-8534 |
| Primary Part Number | SMS20219A1 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Arvan, Inc. Dba Aerospace Division |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 0.420 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Bearing Quantity | 1 |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.438 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Unable to Decode | UNABLE TO DECODE |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| First Step Face Largest Diameter and Location | 0.969 INCHES NOMINAL BOTH ENDS IN |
| Groove Radius | 0.050 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 1.312 INCHES NOMINAL IN |
| Distance From Outside Flange/rim to Hub End and Location | 0.064 INCHES NOMINAL BOTH ENDS IN |
| Second Step Length | 0.032 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 0.156 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | STEPPED |
| Unable to Decode | UNABLE TO DECODE |
| First Step Length | 0.032 INCHES NOMINAL BOTH ENDS IN |
| Bearing Type | BALL |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY BODY |
| Material | ALUMINUM ALLOY AND STEEL HUB |
| Unable to Decode | UNABLE TO DECODE |
| 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 |
|---|---|
| SMS20219A1 PRIMARY | Arvan, Inc. Dba Aerospace Division (USA) |
NSN 3020-01-069-8534 is a Pulley,groove, manufactured by Arvan, Inc. Dba Aerospace Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-069-8534 has 1 manufacturer part number on file: SMS20219A1 (Arvan, Inc. Dba Aerospace Division).
Key specifications for SMS20219A1: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 0.420 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED; Bearing Quantity: 1. 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.