The Gear,spur, cataloged under National Stock Number 3020-00-193-0397, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-193-0397 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.750 INCHES BOTH ENDS IN |
| Teeth Quantity | 24 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 1 PLAIN AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Nominal Diameter | 0.253 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Style Designator | HUBLESS |
| Material Document and Classification | AMS 5643,17-4PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.4000 INCHES NOMINAL IN |
| Tooth Form | SPECIAL |
| Nominal Outside Diameter | 2.375 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 630 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 |
| Reference | Meaning |
|---|---|
| 945530 | D/9 Drawing number reference only U.S. Government activity |
| 945530-103 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-193-0397 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-193-0397: Bore Nominal Diameter: 0.750 INCHES BOTH ENDS IN; Teeth Quantity: 24; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 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.
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.