The Pulley,flat, cataloged under National Stock Number 3020-00-684-2152, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 26 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 | 3020-00-684-2152 |
| Primary Part Number | 543-2880-002 |
| Item Name | Pulley,flat |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Bearing Quantity | 1 |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.515 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Flange Quantity | 2 |
| Outside Diameter | 0.593 INCHES NOMINAL IN |
| Shaft Size for Which Designed | 0.250 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 0.531 INCHES NOMINAL IN |
| Outside Diameter | 0.593 INCHES NOMINAL IN |
| Rim Type | SOLID |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Bearing Type | NEEDLE ROLLER |
| Surface Treatment | PASSIVATE |
| Keying Facility | NOT INCLUDED |
| Flange Width | 0.031 INCHES NOMINAL IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.250 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Flange Location | OUTSIDE |
| Crown Face | NOT INCLUDED |
| Face Width | 0.453 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 |
|---|---|
| 543-2880-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 3020-00-684-2152 is a Pulley,flat, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-684-2152 has 1 manufacturer part number on file: 543-2880-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 543-2880-002: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Bearing Quantity: 1; Split Hub Feature: NOT INCLUDED. 26 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.