The Gear,internal, cataloged under National Stock Number 3020-01-328-2139, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-328-2139 |
| Primary Part Number | 5819855 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Teeth Quantity | 107 |
| Body Style | PLAIN, SOLID |
| Nominal Overall Length | 0.8850 INCHES IN |
| Style Designator | PLAIN RING |
| Pitch Diameter | 4.3700 INCHES MINIMUM AND 4.3750 INCHES MAXIMUM IN |
| Nominal Outside Diameter | 4.845 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP E9310 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5819855 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3020-01-328-2139 is a Gear,internal, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-328-2139 has 1 manufacturer part number on file: 5819855 (Naval Sea Systems Command).
Key specifications for 5819855: Teeth Quantity: 107; Body Style: PLAIN, SOLID; Nominal Overall Length: 0.8850 INCHES IN; Style Designator: PLAIN RING. 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 3020-01-328-2139 has DEMIL Code B. 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.