The Gear,spur, cataloged under National Stock Number 3020-00-045-6768, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-045-6768 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.188 INCHES BOTH ENDS IN |
| Teeth Quantity | 9 |
| Second Step Nominal Diameter | 0.6874 INCHES BOTH ENDS IN |
| Surface Treatment Document and Classification | MIL-P-16232 TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.530 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 1.872 INCHES FIRST END IN |
| First Step Nominal Length | 0.4600 INCHES BOTH ENDS IN |
| Hardness Rating | 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| Second Step Nominal Length | 0.6722 INCHES BOTH ENDS IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.5620 INCHES BOTH ENDS IN |
| Hub Style Designator | 2 STEPS BOTH ENDS |
| End Nominal Length | 0.7400 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 1.8395 INCHES IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| End Nominal Diameter | 0.500 INCHES FIRST END IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.998 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 |
|---|---|
| B8004-09-003-23 | 5/2 Secondary reference U.S. Government activity |
| C8004-09-003FN23 | 5/2 Secondary reference U.S. Government activity |
| EL09-009-024 | 5/9 Secondary reference U.S. Government activity |
| XV09-003-708D | 3/9 Design control — primary reference Project Manager Amphibious Lighters St Louis Mo |
| V09-009-707E | 5/9 Secondary reference Project Manager Amphibious Lighters St Louis Mo |
NSN 3020-00-045-6768 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-045-6768: Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Teeth Quantity: 9; Second Step Nominal Diameter: 0.6874 INCHES BOTH ENDS IN; Surface Treatment Document and Classification: MIL-P-16232 TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 24 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.