The Pulley,groove, cataloged under National Stock Number 3020-00-425-0052, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-425-0052 |
| 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 | 1.718 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 3.380 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 3.030 INCHES NOMINAL IN |
| Groove Depth | 0.600 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Counterbore Depth | 0.435 INCHES NOMINAL IN |
| Groove Quantity | 2 |
| Counterbore Location | AA END |
| V Groove Angle in Deg | 34.0 |
| Counterbore Diameter | 1.375 INCHES NOMINAL IN |
| Distance From Center of Bore to Bottom of Keyway | 0.512 INCHES NOMINAL IN |
| Keyway Width | 0.160 INCHES NOMINAL IN |
| Counterbore Feature | INCLUDED |
| Bore Diameter | 0.875 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Furnished Items | KEYING FACILITY |
| Face Width | 1.718 INCHES NOMINAL IN |
| Groove Width | 0.550 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 |
| Reference | Meaning |
|---|---|
| 16-02702 | 3/9 Design control — primary reference Kaitlin Corp |
NSN 3020-00-425-0052 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-425-0052: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 1.718 INCHES NOMINAL IN. 28 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.