The Gear Sector,bevel, cataloged under National Stock Number 3020-00-404-9111, 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 Viking Technologies, Ltd.. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-404-9111 |
| Primary Part Number | 300521 |
| Item Name | Gear Sector,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Pitch Radius | 4.9980 INCHES NOMINAL IN |
| Pressure Angle | 20.0000 DEGREES |
| 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 |
|---|---|
| 300521 PRIMARY | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| SCD93064 | 5/9 Secondary reference Smiths Detection Inc. Dba Smiths Detection Inc Casc |
| SCD93064 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-00-404-9111 is a Gear Sector,bevel, manufactured by Viking Technologies, Ltd., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-404-9111 has 1 manufacturer part number on file: 300521 (Viking Technologies, Ltd.).
4 possible matches (shared part number, not a government interchangeability claim): 5999-00-811-7178, 4730-01-049-3585, 4710-01-191-4883. Verify interchangeability with system specifications before substitution.
Key specifications for 300521: Pitch Radius: 4.9980 INCHES NOMINAL IN; Pressure Angle: 20.0000 DEGREES. 2 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.