The Gear,spur, cataloged under National Stock Number 3020-00-461-5925, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-461-5925 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.094 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.312 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.590 INCHES FIRST END IN |
| Teeth Quantity | 29 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.254 INCHES FIRST END IN |
| Hardness Rating | 30.0 ROCKWELL C NOMINAL HUB |
| Hardness Rating | 35.0 ROCKWELL C NOMINAL TEETH |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.8120 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.934 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.190 INCHES BOTH ENDS IN |
| Surface Treatment | CADMIUM OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.188 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 |
|---|---|
| 42132-331 | 3/9 Design control — primary reference Goodrich Corporation Dba Trw Lucas Aerospace |
| 42132D331 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-461-5925 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-461-5925: Keyway Nominal Width: 0.094 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.312 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.590 INCHES FIRST END IN; Teeth Quantity: 29. 20 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.