The Pulley,groove, cataloged under National Stock Number 3020-00-528-1600, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-528-1600 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Design Form | PLAIN |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Radius | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Groove Shape | U |
| Outside Diameter | 0.870 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | MIL-S-7720, COMP FMS, COND B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 0.240 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.209 INCHES NOMINAL IN |
| Material | STEEL COMP 303 OVERALL |
| Face Width | 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Groove Width | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM 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 |
| Reference | Meaning |
|---|---|
| 8B500003 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-528-1600 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-528-1600: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN. 21 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.