The Pulley,groove, cataloged under National Stock Number 3020-00-320-1492, 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 Insinger Machine Co. Government technical data includes 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-320-1492 |
| Primary Part Number | MC33 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Insinger Machine Co |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Bearing Quantity | 1 |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.562 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Shaft Size for Which Designed | 0.469 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 2.750 INCHES NOMINAL IN |
| Groove Depth | 0.406 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 1 |
| V Groove Angle in Deg | 34.0 |
| Protruding Hub Characteristic | PLAIN |
| Bearing Type | BEARING ROLLER |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.469 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Face Width | 0.562 INCHES NOMINAL IN |
| Groove Width | 0.375 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 |
|---|---|
| MC33 PRIMARY | Insinger Machine Co (USA) |
| Reference | Meaning |
|---|---|
| A33PC5 | 5/9 Secondary reference Insinger Machine Co |
| SAPCMC33 | 5/9 Secondary reference Insinger Machine Co |
NSN 3020-00-320-1492 is a Pulley,groove, manufactured by Insinger Machine Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-320-1492 has 1 manufacturer part number on file: MC33 (Insinger Machine Co).
Key specifications for MC33: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Bearing Quantity: 1; Split Hub Feature: NOT INCLUDED. 24 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.