The Gear,spur, cataloged under National Stock Number 3020-00-684-2301, 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 Dorer Engineering Inc Dba O J Rodgers Company. Government technical data includes 21 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 | 3020-00-684-2301 |
| Primary Part Number | R875B112 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Dorer Engineering Inc Dba O J Rodgers Company |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.125 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.438 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.188 INCHES SECOND END IN |
| Teeth Quantity | 126 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.066 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.234 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 6 |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 1.9650 INCHES MINIMUM AND 1.9669 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN SECOND END |
| Hub Style Designator | PINNED FIRST END |
| Nominal Outside Diameter | 1.995 INCHES IN |
| Surface Treatment | LACQUER BODY |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY HUB |
| Material | PLASTIC BODY |
| Material | PLASTIC TEETH |
| Face Nominal Width | 0.094 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 |
|---|---|
| R875B112 PRIMARY | Dorer Engineering Inc Dba O J Rodgers Company (USA) |
NSN 3020-00-684-2301 is a Gear,spur, manufactured by Dorer Engineering Inc Dba O J Rodgers Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-684-2301 has 1 manufacturer part number on file: R875B112 (Dorer Engineering Inc Dba O J Rodgers Company).
Key specifications for R875B112: Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.438 INCHES FIRST END IN; Hub Nominal Diameter: 0.188 INCHES SECOND END IN; Teeth Quantity: 126. 21 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.