The Gear Sector,worm Wheel, cataloged under National Stock Number 3020-00-829-4976, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-829-4976 |
| Primary Part Number | 353000-1 |
| Item Name | Gear Sector,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.750 INCHES BOTH ENDS IN |
| Helix Angle | 14.0314 DEGREES |
| Hub Nominal Diameter | 1.000 INCHES FIRST END IN |
| Teeth Quantity | 90 |
| Nominal Outside Radius | 0.957 INCHES IN |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 2 COUNTERBORED AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.188 INCHES FIRST END IN |
| Face Type | STRAIGHT |
| Mounting Hole Nominal Diameter | 0.250 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Hub Style Designator | PLAIN FIRST END |
| Arc Nominal Length | 0.501 INCHES IN |
| Pitch Radius | 0.9375 INCHES NOMINAL IN |
| Pressure Angle | 25.00000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Mating Thread Lead Quantity | 4 |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.187 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 |
NSN 3020-00-829-4976 is a Gear Sector,worm Wheel, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-829-4976 has 2 manufacturer part numbers on file: 353000-1 (Raytheon Company Dba Raytheon Co), 353000-1 (Raytheon Company).
2 possible matches (shared part number, not a government interchangeability claim): 4920-00-831-5466, 8040-01-584-5003. Verify interchangeability with system specifications before substitution.
Key specifications for 353000-1: Bore Nominal Diameter: 0.750 INCHES BOTH ENDS IN; Helix Angle: 14.0314 DEGREES; Hub Nominal Diameter: 1.000 INCHES FIRST END IN; Teeth Quantity: 90. 20 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.