The Gear,spur, cataloged under National Stock Number 3020-01-154-2133, 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 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-154-2133 |
| Primary Part Number | 518-4674791 ITEM 9 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Teeth Quantity | 80 |
| Body Style | WEBBED, SOLID |
| Style Designator | BELL SHAPE BODY, PROTRUDING HUB, RECESSED HUB |
| Pitch Diameter | 3.6360 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 3.627 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.156 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 518-4674791 ITEM 9 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 518-4674791 | D/9 Drawing number reference only U.S. Government activity |
| 518-4674791 ITEM 9 | 5/2 Secondary reference U.S. Government activity |
| 87624-1506 ITEM 9 | 3/9 Design control — primary reference U.S. Government activity |
| 4674791A-0009 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-01-154-2133 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-154-2133 has 1 manufacturer part number on file: 518-4674791 ITEM 9 (Naval Sea Systems Command).
Key specifications for 518-4674791 ITEM 9: Teeth Quantity: 80; Body Style: WEBBED, SOLID; Style Designator: BELL SHAPE BODY, PROTRUDING HUB, RECESSED HUB; Pitch Diameter: 3.6360 INCHES NOMINAL IN. 8 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.
NSN 3020-01-154-2133 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.