The Gear,internal, cataloged under National Stock Number 3020-00-482-2819, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mid-America Aerotech, Llc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-482-2819 |
| Primary Part Number | 40B547 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Mid-America Aerotech, Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.4065 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.7175 INCHES FIRST END IN |
| Teeth Quantity | 103 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Teeth Type | SPUR |
| Nominal Overall Length | 1.4500 INCHES IN |
| Style Designator | SOLID BACK RING, PROTRUDING HUB, RECESSED HUB |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.4310 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.6000 INCHES IN |
| Surface Treatment | ANODIZE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Face Nominal Width | 1.0420 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 |
| Part Number | Manufacturer |
|---|---|
| 40B547 PRIMARY | Mid-America Aerotech, Llc (USA) |
| Reference | Meaning |
|---|---|
| 40B547 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
| 40B547 | 3/9 Design control — primary reference U.S. Government activity |
| 40B547 | 5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
NSN 3020-00-482-2819 is a Gear,internal, manufactured by Mid-America Aerotech, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-482-2819 has 1 manufacturer part number on file: 40B547 (Mid-America Aerotech, Llc).
Key specifications for 40B547: Bore Nominal Diameter: 1.4065 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.7175 INCHES FIRST END IN; Teeth Quantity: 103; Body Style: PLAIN, SOLID. 16 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.