The Sprocket Wheel, cataloged under National Stock Number 3020-00-008-3150, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lanxess Corporation. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-008-3150 |
| Primary Part Number | 6812215 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lanxess Corporation |
| Status | ACTIVE |
| Hub Outside Diameter | 3.781 INCHES NOMINAL AA END IN |
| Hub Outside Diameter | 8.125 INCHES NOMINAL BB END IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 1.781 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Tooth Pitch | 0.500 INCHES NOMINAL IN |
| Outside Diameter | 10.772 INCHES MINIMUM AND 10.778 INCHES MAXIMUM IN |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | QQ-S-631, COMP 1010 THRU 1025 FED SPEC SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 10.822 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Counterbore Depth | 0.250 INCHES NOMINAL IN |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 68 |
| Counterbore Location | BB END |
| Counterbore Diameter | 6.250 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.281 INCHES NOMINAL AA END IN |
| Distance From Hub End to Flange End | 0.094 INCHES NOMINAL BB END IN |
| Securing Hole Quantity | 6 |
| Bolt Circle Diameter | 7.000 INCHES NOMINAL IN |
| Thread Size | 5/16-24 |
| Surface Treatment | CADMIUM |
| Hole Location | THROUGH SPROCKET BODY |
| Bore Diameter | 3.150 INCHES MINIMUM AND 3.151 INCHES MAXIMUM IN |
| Material | STEEL |
| Furnished Items | COUNTERBORE |
| Face Width | 2.156 INCHES NOMINAL 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 |
| Part Number | Manufacturer |
|---|---|
| 6812215 PRIMARY | Lanxess Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2624068 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3020-00-008-3150 is a Sprocket Wheel, manufactured by Lanxess Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-008-3150 has 1 manufacturer part number on file: 6812215 (Lanxess Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-373-5236. Verify interchangeability with system specifications before substitution.
Key specifications for 6812215: Hub Outside Diameter: 3.781 INCHES NOMINAL AA END IN; Hub Outside Diameter: 8.125 INCHES NOMINAL BB END IN; Securing Method: THREADED HOLE(S); Bore Length: 1.781 INCHES NOMINAL IN. 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.