The Sprocket Wheel, cataloged under National Stock Number 3020-01-085-4232, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-085-4232 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 4.000 INCHES NOMINAL AA END IN |
| Hub Outside Diameter | 3.500 INCHES NOMINAL BB END IN |
| Bore Length | 2.435 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Lubrication Mode | VISIBLE MEANS |
| Tooth Pitch | 0.625 INCHES NOMINAL IN |
| Asa Standard Chain Number | 50 |
| Outside Diameter | 7.272 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 6.972 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Counterbore Depth | 0.945 INCHES NOMINAL IN |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 35 |
| Counterbore Location | AA END |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Counterbore Diameter | 2.630 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.564 INCHES NOMINAL BB END IN |
| Distance From Hub End to Flange End | 1.550 INCHES NOMINAL AA END IN |
| Bore Diameter | 1.250 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | COUNTERBORE AND BORE BEARING |
| Face Width | 0.321 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 |
|---|---|
| NP5024018 | 3/9 Design control — primary reference Barber-Greene Co |
| NP5024018 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
NSN 3020-01-085-4232 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-085-4232: Hub Outside Diameter: 4.000 INCHES NOMINAL AA END IN; Hub Outside Diameter: 3.500 INCHES NOMINAL BB END IN; Bore Length: 2.435 INCHES NOMINAL IN; Design Form: PLAIN. 24 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.