The Gear,spur, cataloged under National Stock Number 3020-00-944-8174, 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 Raytheon Company Div Rmd Strategic. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-944-8174 |
| Primary Part Number | 5018-498 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.625 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.250 INCHES SECOND END IN |
| Teeth Quantity | 28 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 3 PLAIN AXIALLY THROUGH FLANGE |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.250 INCHES AXIALLY THROUGH FLANGE IN |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Pitch Diameter | 1.5500 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.625 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY OVERALL |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.500 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 |
| Part Number | Manufacturer |
|---|---|
| 5018-498 | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| 65538 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-944-8174 is a Gear,spur, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-944-8174 has 1 manufacturer part number on file: 5018-498 (Raytheon Company Div Rmd Strategic).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-010-2081. Verify interchangeability with system specifications before substitution.
Key specifications for 5018-498: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.625 INCHES FIRST END IN; Nominal Distance Between Body Face and Recessed Hub End: 0.250 INCHES SECOND END IN; Teeth Quantity: 28. 18 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.