The Gear,spur, cataloged under National Stock Number 3020-01-346-9888, 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 Lake Shore Systems, Inc.. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-346-9888 |
| Primary Part Number | 5D1-01952 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 5.501 INCHES BOTH ENDS IN |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 6 PLAIN AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Nominal Diameter | 0.514 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Style Designator | HUBLESS, RECESSED BODY |
| Pitch Diameter | 22.5000 INCHES NOMINAL IN |
| Nominal Outside Diameter | 22.997 INCHES IN |
| Material | STEEL COMP 4140 BODY |
| Bolt Hole Circle Nominal Diameter | 6.500 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Body Recess Nominal Depth | 0.380 INCHES FIRST END IN |
| Body Recess Nominal Depth | 0.250 INCHES SECOND END IN |
| Face Nominal Width | 1.250 INCHES IN |
| 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 |
|---|---|
| 5D1-01952 PRIMARY | Lake Shore Systems, Inc. (USA) |
NSN 3020-01-346-9888 is a Gear,spur, manufactured by Lake Shore Systems, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-346-9888 has 1 manufacturer part number on file: 5D1-01952 (Lake Shore Systems, Inc.).
Key specifications for 5D1-01952: Bore Nominal Diameter: 5.501 INCHES BOTH ENDS IN; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS; Mounting Hole Type and Quantity: 6 PLAIN AXIALLY THROUGH BODY FIRST END. 14 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.