The Gear,spur, cataloged under National Stock Number 3020-01-145-6739, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-145-6739 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Nominal Diameter | 1.181 INCHES FIRST END1.181 INCHES FIRST END IN |
| Teeth Quantity | 5353 |
| Body Style | PLAIN, SOLIDPLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.830 INCHES SECOND END0.830 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 1.460 INCHES FIRST END1.460 INCHES FIRST END IN |
| First Step Nominal Length | 0.300 INCHES SECOND END0.300 INCHES SECOND END IN |
| Style Designator | PROTRUDING HUBSPROTRUDING HUBS |
| Material Document and Classification | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALLQQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Pitch Diameter | 2.2083 INCHES NOMINAL2.2083 INCHES NOMINAL IN |
| Tooth Form | STANDARDSTANDARD |
| First Step Nominal Diameter | 1.400 INCHES SECOND END1.400 INCHES SECOND END IN |
| Hub Style Designator | PLAIN FIRST ENDPLAIN FIRST END |
| Hub Style Designator | 1 STEP SECOND END1 STEP SECOND END |
| End Nominal Length | 0.530 INCHES SECOND END0.530 INCHES SECOND END IN |
| Nominal Outside Diameter | 2.289 INCHES2.289 INCHES IN |
| End Nominal Diameter | 1.181 INCHES SECOND END1.181 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES20.0000 DEGREES |
| Material | STEEL COMP 4140 OR STEEL COMP 4142 OVERALL |
| Face Nominal Width | 0.700 INCHES0.700 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 |
|---|---|
| 3020PL0724304 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 46296E278 | 5/9 Secondary reference U.S. Government activity |
| 46296E278 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-145-6739 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-145-6739: Hub Nominal Diameter: 1.181 INCHES FIRST END1.181 INCHES FIRST END IN; Teeth Quantity: 5353; Body Style: PLAIN, SOLIDPLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.830 INCHES SECOND END0.830 INCHES SECOND END IN. 19 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.