The Gear,spur, cataloged under National Stock Number 3020-01-563-8498, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-563-8498 |
| Primary Part Number | 7386888 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Bore Nominal Diameter | 3.123 INCHES BOTH ENDS IN |
| Teeth Quantity | 27 |
| Surface Treatment Document and Classification | 46010 MIL SPEC ALL TREATMENT RESPONSES OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Hardness Rating | 49.0 ROCKWELL C NOMINAL OVERALL |
| Style Designator | HUBLESS |
| Material Document and Classification | 5617 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Pitch Diameter | 6.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 4.833 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.817 INCHES IN |
| 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 |
|---|---|
| 7386888 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3020-01-563-8498 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-563-8498 has 1 manufacturer part number on file: 7386888 (Naval Sea Systems Command).
Key specifications for 7386888: Bore Nominal Diameter: 3.123 INCHES BOTH ENDS IN; Teeth Quantity: 27; Surface Treatment Document and Classification: 46010 MIL SPEC ALL TREATMENT RESPONSES OVERALL; Body Style: PLAIN, SOLID. 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.
NSN 3020-01-563-8498 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.