The Gear,helical, cataloged under National Stock Number 3020-01-181-2026, 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 Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-181-2026 |
| Primary Part Number | 40056-1416 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co |
| Status | ACTIVE |
| Teeth Quantity | 18 |
| 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 |
|---|---|
| 40056-1416 PRIMARY | Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 40056 | 5/9 Secondary reference Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co |
NSN 3020-01-181-2026 is a Gear,helical, manufactured by Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-181-2026 has 1 manufacturer part number on file: 40056-1416 (Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co).
3 possible matches (shared part number, not a government interchangeability claim): 6145-01-211-9268, 8465-01-541-7977, 5306-01-576-9533. Verify interchangeability with system specifications before substitution.
Key specifications for 40056-1416: Teeth Quantity: 18. 1 specification is 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.