The Pulley,flat, cataloged under National Stock Number 3020-01-068-3075, 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 Sypris Electronics, Llc. Government technical data includes 23 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-068-3075 |
| Primary Part Number | 800781 |
| Item Name | Pulley,flat |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Sypris Electronics, Llc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Bore Length | 0.611 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | OFFSET |
| Flange Quantity | 1 |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Material Document and Classification | QQ-A-200/8, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.837 INCHES NOMINAL IN |
| Rim Type | SOLID |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Distance From Center of Bore to Bottom of Keyway | 0.298 INCHES NOMINAL IN |
| Keyway Width | 0.095 INCHES NOMINAL IN |
| Keying Facility | INCLUDED |
| Flange Width | 0.438 INCHES NOMINAL IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Flange Location | OUTSIDE |
| Crown Face | NOT INCLUDED |
| 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 |
|---|---|
| 800781 PRIMARY | Sypris Electronics, Llc (USA) |
NSN 3020-01-068-3075 is a Pulley,flat, manufactured by Sypris Electronics, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-068-3075 has 1 manufacturer part number on file: 800781 (Sypris Electronics, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-301-7262, 5340-01-616-2619. Verify interchangeability with system specifications before substitution.
Key specifications for 800781: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Bore Length: 0.611 INCHES NOMINAL IN; Design Form: WEBBED. 23 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.