The Gear,internal, cataloged under National Stock Number 3020-01-290-5032, 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 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-290-5032 |
| Primary Part Number | 41B379 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Mid-America Aerotech, Llc |
| Status | ACTIVE |
| Mounting Hole Type and Quantity | 4 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Style Designator | RECESSED RING |
| Attachment Method | MOUNTING HOLE |
| 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 |
|---|---|
| 41B379 PRIMARY | Mid-America Aerotech, Llc (USA) |
| Reference | Meaning |
|---|---|
| 41B379 | 5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| 41B379 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
| 41B379 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-01-290-5032 is a Gear,internal, manufactured by Mid-America Aerotech, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-290-5032 has 1 manufacturer part number on file: 41B379 (Mid-America Aerotech, Llc).
Key specifications for 41B379: Mounting Hole Type and Quantity: 4 THREADED TRANSVERSELY THROUGH HUB FIRST END; Style Designator: RECESSED RING; Attachment Method: MOUNTING HOLE. 3 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.