The Pulley,groove, cataloged under National Stock Number 3020-01-254-4754, 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 Raytheon Training Inc Dba Hughes Flight Simulation. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-254-4754 |
| Primary Part Number | 303249-001 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Raytheon Training Inc Dba Hughes Flight Simulation |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Securing Method | PIN(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.500 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | U |
| Style Designator | PLAIN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Bore Diameter | 0.250 INCHES NOMINAL IN |
| Furnished Items and Quantity | CHANNEL MOUNT |
| 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 |
|---|---|
| 303249-001 PRIMARY | Raytheon Training Inc Dba Hughes Flight Simulation (USA) |
| Reference | Meaning |
|---|---|
| 303249-1 | 5/9 Secondary reference Raytheon Training Inc Dba Hughes Flight Simulation |
NSN 3020-01-254-4754 is a Pulley,groove, manufactured by Raytheon Training Inc Dba Hughes Flight Simulation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-254-4754 has 1 manufacturer part number on file: 303249-001 (Raytheon Training Inc Dba Hughes Flight Simulation).
Key specifications for 303249-001: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Securing Method: PIN(S); Split Hub Feature: NOT INCLUDED. 13 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.