The Gear,spur, cataloged under National Stock Number 3020-00-323-3203, 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17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-323-3203 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.375 INCHES FIRST END IN |
| Teeth Quantity | 48 |
| Body Style | PLAIN, SOLID |
| Bore Style | SERRATED BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.0735 INCHES FIRST END IN |
| Serration Pitch Diameter | 0.2420 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Features Provided | CASEHARDENED |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 1.042 INCHES IN |
| Serration Quantity | 36 BOTH ENDS |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4130 OVERALL |
| Face Nominal Width | 0.281 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4439567 | 3/2 Design control — primary reference U.S. Government activity |
| 4439567 | 5/9 Secondary reference The Boeing Company |
NSN 3020-00-323-3203 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-323-3203: Hub Nominal Diameter: 0.375 INCHES FIRST END IN; Teeth Quantity: 48; 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.
NSN 3020-00-323-3203 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.