The Gear,spur, cataloged under National Stock Number 3020-00-902-8951, 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 Northrop Grumman Systems Corporation. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-902-8951 |
| Primary Part Number | 1852810 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.241 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.000 INCHES FIRST END IN |
| Teeth Quantity | 195 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 2 PLAIN AXIALLY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.188 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.109 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 3.0470 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 3.078 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | ALUMINUM OVERALL |
| Bolt Hole Circle Nominal Diameter | 0.437 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.125 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 |
|---|---|
| 1852810 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1852810 | 5/9 Secondary reference Profile Gear Corp |
| 1852810 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 3020-00-902-8951 is a Gear,spur, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-902-8951 has 1 manufacturer part number on file: 1852810 (Northrop Grumman Systems Corporation).
Key specifications for 1852810: Bore Nominal Diameter: 0.241 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.000 INCHES FIRST END IN; Teeth Quantity: 195; Body Style: PLAIN, SOLID. 18 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.