The Pulley,groove, cataloged under National Stock Number 3020-01-321-8527, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-321-8527 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Bore Length | 2.812 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | U |
| Outside Diameter | 24.000 INCHES NOMINAL IN |
| Shaft Size for Which Designed | 3.000 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 1 |
| Bearing Type | BEARING ROLLER |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 3.000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| 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 |
| Reference | Meaning |
|---|---|
| 11571032-14 | 5/9 Secondary reference U.S. Government activity |
| 11571032 ITEM 6 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 11571032 ITEM 6 | 5/9 Secondary reference U.S. Government activity |
| 11571032-14 | 3/9 Design control — primary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 11571032 ITEM 6 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 11571032-14 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3020-01-321-8527 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-321-8527: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Bore Length: 2.812 INCHES NOMINAL IN; Design Form: PLAIN. 16 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.