The Gear,worm, cataloged under National Stock Number 3020-00-574-6419, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 25 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-574-6419 |
| Primary Part Number | 6179024 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Thread Form Direction | LEFT-HAND |
| Bore Nominal Diameter | 0.812 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.995 INCHES FIRST END IN |
| Hub Nominal Diameter | 1.376 INCHES SECOND END IN |
| Counterbore Nominal Diameter | 1.312 INCHES SECOND END IN |
| Bore Style | W/COUNTERBORE SECOND END |
| Mounting Hole Type and Quantity | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 1.031 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.158 INCHES SECOND END IN |
| Throat Nominal Radius | 0.125 INCHES IN |
| Face Type | CONCAVE |
| Mating Pitch Diameter | 0.7500 INCHES NOMINAL IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 1.7500 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN SECOND END |
| Thread Form Quantity | 1 |
| Mounting Hole Nominal Thread Size | 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Nominal Outside Diameter | 1.784 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 29.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.062 INCHES SECOND END IN |
| Mounting Hole Thread Series Designator | UNF TRANSVERSELY THROUGH HUB FIRST END |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 6179024 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 3020-00-574-6419 is a Gear,worm, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-574-6419 has 1 manufacturer part number on file: 6179024 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 6179024: Thread Form Direction: LEFT-HAND; Bore Nominal Diameter: 0.812 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.995 INCHES FIRST END IN; Hub Nominal Diameter: 1.376 INCHES SECOND END IN. 25 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.