The Pulley,groove, cataloged under National Stock Number 3020-01-485-0468, 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28 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-485-0468 |
| 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 | SPLIT-TAPERED BUSHING |
| Split Hub Feature | INCLUDED |
| Bore Length | 1.9400 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | V |
| Standard V-Belt Section Designation for Which Designed | A |
| Outside Diameter | 4.6500 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Taper Major Diameter Location | AA END |
| Quantity | 1 |
| Hub Split Location | THROUGH BOTH WALLS |
| Style Designator | PLAIN |
| Pitch Diameter | 4.4000 INCHES NOMINAL IN |
| Bore Type | TAPERED |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Taper Bore Major Diameter | 1.0000 INCHES NOMINAL IN |
| Distance From Center of Bore to Bottom of Keyway | 0.7500 INCHES NOMINAL IN |
| Keyway Width | 0.1250 INCHES NOMINAL IN |
| Counterbore Feature | NOT INCLUDED |
| Material | IRON CAST BODY |
| Material | STEEL HUB |
| Clamping Bolt Quantity | 3 |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.7500 INCHES NOMINAL IN |
| Furnished Items and Quantity | SHEAVE P/N 500K1955-1, BUSHING P/N 500K1955-2, 0.1250 X 0.2500 KEY, 3EACH 0.3100 X 1.0000 LONG HEX HEAD CAP SCREWS. |
| 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 |
|---|---|
| 500K1955 | 3/9 Design control — primary reference U.S. Government activity |
| 500K1955 | 5/9 Secondary reference U.S. Government activity |
| 500K1955 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 500K1955 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-485-0468 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-485-0468: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Securing Method: SPLIT-TAPERED BUSHING; Split Hub Feature: 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.