The Pulley,flat, cataloged under National Stock Number 3020-01-030-9494, 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 Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-030-9494 |
| Primary Part Number | 721-023-001 |
| Item Name | Pulley,flat |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.187 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| Design Form | PLAIN |
| Flange Quantity | 2 |
| Outside Diameter | 0.232 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Material Document and Classification | DELRIN FSCM 26055 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Rim Type | SOLID |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Keying Facility | NOT INCLUDED |
| Flange Width | 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.062 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Material | PLASTIC ACETAL OVERALL |
| Flange Location | OUTSIDE |
| Crown Face | INCLUDED |
| Face Width | 0.157 INCHES MINIMUM AND 0.163 INCHES MAXIMUM 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 |
|---|---|
| 721-023-001 PRIMARY | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA) |
| Reference | Meaning |
|---|---|
| 721-023-001 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division |
NSN 3020-01-030-9494 is a Pulley,flat, manufactured by Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-030-9494 has 1 manufacturer part number on file: 721-023-001 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations).
Key specifications for 721-023-001: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 0.187 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN. 22 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.