The Gear,spur, cataloged under National Stock Number 3020-00-264-8668, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-264-8668 |
| Primary Part Number | 815-183048-44 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.313 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.625 INCHES FIRST END IN |
| Teeth Quantity | 96 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 8 |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.9990 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 3.0620 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL |
| Face Nominal Width | 0.188 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 |
|---|---|
| 815-1853048PC44 | Naval Sea Systems Command (USA) |
| 815-183048-44 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 815-1853048-44 | 5/9 Secondary reference U.S. Government activity |
| 815-1853048PC44 | 5/9 Secondary reference U.S. Government activity |
| 815-1853048-44 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 3020-00-264-8668 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-264-8668 has 2 manufacturer part numbers on file: 815-1853048PC44 (Naval Sea Systems Command), 815-183048-44 (Naval Sea Systems Command).
Key specifications for 815-183048-44: Bore Nominal Diameter: 0.313 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.625 INCHES FIRST END IN; Teeth Quantity: 96; Body Style: PLAIN, WITH LIGHTENING HOLES. 16 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.