The Sprocket Wheel, cataloged under National Stock Number 3020-01-263-4089, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-263-4089 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 0.500 INCHES NOMINAL AA END IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.148 INCHES NOMINAL IN |
| Outside Diameter | 1.317 INCHES MINIMUM AND 1.327 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Pitch Diameter | 1.265 INCHES MINIMUM AND 1.275 INCHES MAXIMUM IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 27 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.312 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 2 |
| Thread Size | N0.6/0.136/-32 |
| Surface Treatment | PASSIVATE |
| Hole Location | CENTERED 0.12 INCH FROM END OF HUB,90 DEG APART IN |
| Bore Diameter | 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Face Width | 0.052 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Securing Location | AA END |
| 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 |
|---|---|
| A3041416 | 3/2 Design control — primary reference U.S. Government activity |
| P34185-0014 | 5/9 Secondary reference Insco Corp |
NSN 3020-01-263-4089 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-263-4089: Hub Outside Diameter: 0.500 INCHES NOMINAL AA END IN; Securing Method: THREADED HOLE(S); Bore Length: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Design Form: PLAIN. 22 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.