The Pulley,flat, cataloged under National Stock Number 3020-01-087-3561, 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 Telemechanics Inc. Government technical data includes 19 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 | 3020-01-087-3561 |
| Primary Part Number | 403299 |
| Item Name | Pulley,flat |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Hub Outside Diameter | 0.391 INCHES NOMINAL AA END IN |
| Bore Feature | INCLUDED |
| Securing Method | SETSCREW |
| Bore Length | 0.718 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Flange Quantity | 1 |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Rim Type | SOLID |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Securing Hole Quantity | 1 |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.531 INCHES NOMINAL AA END IN |
| Hole Location | FLANGE |
| Bore Diameter | 0.187 INCHES NOMINAL IN |
| Flange Location | OUTSIDE |
| Face Width | 0.187 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 |
|---|---|
| 403299 PRIMARY | Telemechanics Inc (USA) |
NSN 3020-01-087-3561 is a Pulley,flat, manufactured by Telemechanics Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-087-3561 has 1 manufacturer part number on file: 403299 (Telemechanics Inc).
Key specifications for 403299: Hub Outside Diameter: 0.391 INCHES NOMINAL AA END IN; Bore Feature: INCLUDED; Securing Method: SETSCREW; Bore Length: 0.718 INCHES NOMINAL IN. 19 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.