The Pulley,groove, cataloged under National Stock Number 3020-01-016-9911, 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28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-016-9911 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Securing Method | THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.469 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 4.000 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 3.500 INCHES NOMINAL IN |
| Groove Depth | 0.490 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 2 |
| V Groove Angle in Deg | 34.0 |
| Distance From Center of Bore to Bottom of Keyway | 0.625 INCHES NOMINAL IN |
| Securing Hole Quantity | 1 |
| Thread Size | 3/8-16 |
| Keyway Width | 0.250 INCHES NOMINAL IN |
| Hole Location | THRU FIRST GROOVE TOP OF KEYWAY |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.000 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Furnished Items | KEYING FACILITY |
| Face Width | 1.469 INCHES NOMINAL IN |
| Groove Width | 0.490 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 |
| Reference | Meaning |
|---|---|
| P4442B | 3/9 Design control — primary reference Gardner Denver Inc. |
NSN 3020-01-016-9911 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-016-9911: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Securing Method: THREADED HOLE(S); Split Hub Feature: NOT INCLUDED. 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.