The Gear,spur, cataloged under National Stock Number 3020-01-322-0015, 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 Naval Sea Systems Command. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-322-0015 |
| Primary Part Number | 5186911 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Keyway Nominal Width | 0.188 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.563 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.940 INCHES BOTH ENDS IN |
| Teeth Quantity | 30 |
| Body Style | WEBBED, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.450 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 1.8750 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 2.000 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.323 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 416 OVERALL |
| Face Nominal Width | 0.450 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 |
|---|---|
| 5186911 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5186911 | 3/9 Design control — primary reference Marino Enterprises, Inc. Dba Gear Technology Div Gear Technology |
| 5186911 | 5/9 Secondary reference Gear Supply and Broaching Inc |
| 5186911 | 5/9 Secondary reference U.S. Government activity |
| 5186911 | 5/9 Secondary reference Kosmo Gears |
NSN 3020-01-322-0015 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-322-0015 has 1 manufacturer part number on file: 5186911 (Naval Sea Systems Command).
Key specifications for 5186911: Keyway Nominal Width: 0.188 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.563 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.940 INCHES BOTH ENDS IN; Teeth Quantity: 30. 15 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.