The Pulley,groove, cataloged under National Stock Number 3020-01-355-9188, 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 Allied Systems Company Dba Allied Systems Co. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-355-9188 |
| Primary Part Number | 233800 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Allied Systems Company Dba Allied Systems Co |
| Status | ACTIVE |
| Bore Feature | INCLUDED |
| Groove Shape | U |
| Outside Diameter | 14.000 INCHES NOMINAL IN |
| Shaft Size for Which Designed | 2.500 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 1 |
| Bearing Type | BEARING ROLLER |
| Bore Diameter | 2.500 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Groove Width | 0.562 INCHES NOMINAL IN |
| 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 |
|---|---|
| 233800 | Allied Systems Company Dba Allied Systems Co (USA) |
| Reference | Meaning |
|---|---|
| 452592018 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-01-355-9188 is a Pulley,groove, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-355-9188 has 1 manufacturer part number on file: 233800 (Allied Systems Company Dba Allied Systems Co).
Key specifications for 233800: Bore Feature: INCLUDED; Groove Shape: U; Outside Diameter: 14.000 INCHES NOMINAL IN; Shaft Size for Which Designed: 2.500 INCHES NOMINAL IN. 11 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.