The Pulley,groove, cataloged under National Stock Number 3020-00-019-8385, 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 Dresser Industries Inc Leroi Div. Government technical data includes 10 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-019-8385 |
| Primary Part Number | 36-324-1 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Bore Feature | INCLUDED |
| Taper Bore Minor Diameter | 2.812 INCHES NOMINAL IN |
| Bore Length | 1.250 INCHES NOMINAL IN |
| Outside Diameter | 21.000 INCHES NOMINAL IN |
| Pitch Diameter | 20.125 INCHES NOMINAL IN |
| Bore Type | TAPERED |
| Bearings | NOT INCLUDED |
| Groove Quantity | 5 |
| Taper Bore Major Diameter | 4.500 INCHES NOMINAL IN |
| Face Width | 7.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| 36-324-1 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
NSN 3020-00-019-8385 is a Pulley,groove, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-019-8385 has 1 manufacturer part number on file: 36-324-1 (Dresser Industries Inc Leroi Div).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-181-0699. Verify interchangeability with system specifications before substitution.
Key specifications for 36-324-1: Bore Feature: INCLUDED; Taper Bore Minor Diameter: 2.812 INCHES NOMINAL IN; Bore Length: 1.250 INCHES NOMINAL IN; Outside Diameter: 21.000 INCHES NOMINAL IN. 10 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.