The Gear,spur, cataloged under National Stock Number 3020-01-365-2999, 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 Olympus America Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-365-2999 |
| Primary Part Number | UD-0473 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Olympus America Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 12.2 MILLIMETERS BOTH ENDS MM |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC 3RD TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Material Document and Classification | QQ-A-250/4 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 30.0 MILLIMETERS NOMINAL MM |
| Nominal Outside Diameter | 36.0 MILLIMETERS MM |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM OVERALL |
| Face Nominal Width | 8.5 MILLIMETERS MM |
| 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 |
|---|---|
| UD-0473 PRIMARY | Olympus America Inc (USA) |
| Reference | Meaning |
|---|---|
| 2002AS579-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| UD-0473 | 5/9 Secondary reference Olympus America Inc |
NSN 3020-01-365-2999 is a Gear,spur, manufactured by Olympus America Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-365-2999 has 1 manufacturer part number on file: UD-0473 (Olympus America Inc).
Key specifications for UD-0473: Bore Nominal Diameter: 12.2 MILLIMETERS BOTH ENDS MM; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC 3RD TREATMENT RESPONSE OVERALL; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 10 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.