The Gear,spur, cataloged under National Stock Number 3020-01-124-5372, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-124-5372 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Teeth Quantity | 47 |
| Surface Treatment Document and Classification | MIL-P-47090,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.278 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.096 INCHES SECOND END IN |
| First Step Nominal Length | 0.234 INCHES FIRST END IN |
| First Step Nominal Length | 0.052 INCHES SECOND END IN |
| Precision Classification | QUALITY NUMBER 10 |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.4896 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.219 INCHES BOTH ENDS IN |
| Hub Style Designator | 1 STEP BOTH ENDS |
| End Nominal Length | 0.0440 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 0.510 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| End Nominal Diameter | 0.093 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Face Nominal Width | 0.050 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 |
|---|---|
| 484848 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-124-5372 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-124-5372: Teeth Quantity: 47; Surface Treatment Document and Classification: MIL-P-47090,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.278 INCHES FIRST END IN. 21 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.