The Sprocket Wheel, cataloged under National Stock Number 3020-00-987-1271, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-987-1271 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 1.000 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Design Form | WEBBED |
| Lubrication Mode | VISIBLE MEANS |
| Tooth Pitch | 0.200 INCHES NOMINAL IN |
| Outside Diameter | 1.761 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 1.783 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 28 |
| Hardness Rating Test Method | NOT RATED |
| Surface Treatment | ANODIZE |
| Bore Diameter | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Furnished Items | BORE BEARING |
| Face Width | 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM 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 |
|---|---|
| 10168055 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| 387447 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-987-1271 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-987-1271: Hub Outside Diameter: 1.000 INCHES NOMINAL BOTH ENDS IN; Bore Length: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN; Design Form: WEBBED; Lubrication Mode: VISIBLE MEANS. 17 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.