The Gear,spur, cataloged under National Stock Number 3020-00-020-3317, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-020-3317 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.500 INCHES FIRST END IN |
| Teeth Quantity | 90 |
| Body Style | PLAIN, SOLID |
| Bore Style | SERRATED BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.277 INCHES FIRST END IN |
| Serration Pitch Diameter | 0.2150 INCHES NOMINAL BOTH ENDS IN |
| Nominal Overall Length | 0.532 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 1.4062 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.438 INCHES IN |
| Serration Quantity | 24 BOTH ENDS |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.255 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 |
|---|---|
| 44-23568A01 | 5/9 Secondary reference General Dynamics Mission Systems, Inc. Dba Gdms |
| 44-23568A01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-020-3317 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-020-3317: Hub Nominal Diameter: 0.500 INCHES FIRST END IN; Teeth Quantity: 90; Body Style: PLAIN, SOLID; Bore Style: SERRATED BOTH ENDS. 17 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.