The Gear,spur, cataloged under National Stock Number 3020-00-907-1850, 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 Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-907-1850 |
| Primary Part Number | 11010591 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.873 INCHES FIRST END IN |
| Hub Nominal Diameter | 1.200 INCHES SECOND END IN |
| Nominal Distance From Flat to Radial Center | 0.720 INCHES BOTH ENDS IN |
| Teeth Quantity | 24 |
| Body Style | WEBBED, SOLID |
| Bore Style | D BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.265 INCHES FIRST END IN |
| Nominal Overall Length | 0.570 INCHES IN |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| Pitch Diameter | 4.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 4.791 INCHES IN |
| Nominal Radius | 0.296 INCHES BOTH ENDS IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.305 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 |
|---|---|
| 822D989P1 | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
| 822D989P1 | General Electric Company (USA) |
| 11010591 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| 3020009071850 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3020-00-907-1850 is a Gear,spur, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-907-1850 has 3 manufacturer part numbers on file: 822D989P1 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 822D989P1 (General Electric Company), 11010591 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 11010591: Hub Nominal Diameter: 0.873 INCHES FIRST END IN; Hub Nominal Diameter: 1.200 INCHES SECOND END IN; Nominal Distance From Flat to Radial Center: 0.720 INCHES BOTH ENDS IN; Teeth Quantity: 24. 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.