The Gear Sector,worm Wheel, cataloged under National Stock Number 3020-01-284-0976, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-284-0976 |
| Primary Part Number | SS N 606-609-1943567 PC 2 |
| Item Name | Gear Sector,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Keyway Nominal Width | 0.250 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.375 INCHES BOTH ENDS IN |
| Helix Angle | 7.1500 DEGREES |
| Hub Nominal Diameter | 2.750 INCHES BOTH ENDS IN |
| Teeth Quantity | 99 |
| Nominal Outside Radius | 5.562 INCHES IN |
| Tooth Direction | LEFT |
| Bore Style | W/ 2 KEYWAYS BOTH ENDS |
| Throat Nominal Radius | 5.356 INCHES IN |
| Face Type | CONCAVE |
| Style Designator | PROTRUDING HUBS |
| Pitch Radius | 5.2500 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Mating Thread Lead Quantity | 3 |
| Face Nominal Width | 1.875 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 |
|---|---|
| SS N 606-609-1943567 PC 2 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| SS N 606-609-1943567 | D/9 Drawing number reference only Naval Inventory Control Point Mechanicsburg |
NSN 3020-01-284-0976 is a Gear Sector,worm Wheel, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-284-0976 has 1 manufacturer part number on file: SS N 606-609-1943567 PC 2 (Naval Inventory Control Point Mechanicsburg).
Key specifications for SS N 606-609-1943567 PC 2: Keyway Nominal Width: 0.250 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.375 INCHES BOTH ENDS IN; Helix Angle: 7.1500 DEGREES; Hub Nominal Diameter: 2.750 INCHES BOTH ENDS IN. 15 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.