The Gear,spur, cataloged under National Stock Number 3020-00-273-2834, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-273-2834 |
| Primary Part Number | 325274PC1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Keyway Nominal Width | 0.093 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.000 INCHES BOTH ENDS IN |
| Teeth Quantity | 140 |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Bore Style | TAPERED W/KEYWAY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.0475 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.1712 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Taper Major Nominal Diameter | 0.351 INCHES FIRST END IN |
| Material Document and Classification | QQ-B-726,CL B-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.3750 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Features Provided | TAPERED KEYWAY |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 4.4390 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.222 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY 862 OVERALL |
| Face Nominal Width | 0.219 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 |
NSN 3020-00-273-2834 is a Gear,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-273-2834 has 2 manufacturer part numbers on file: 193432 (Lockheed Martin Corporation Div Rms - Mitchel Field), 325274PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 325274PC1: Keyway Nominal Width: 0.093 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.000 INCHES BOTH ENDS IN; Teeth Quantity: 140; Body Style: WEBBED, WITH LIGHTENING HOLES. 19 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.