The Gear,worm Wheel, cataloged under National Stock Number 3020-01-415-8283, 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 27 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 | 3020-01-415-8283 |
| Primary Part Number | 12918625 |
| Item Name | Gear,worm Wheel |
| 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 |
| Keyway Nominal Width | 0.031 INCHES FIRST END IN |
| Bore Nominal Diameter | 0.1248 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.1248 INCHES FIRST END IN |
| Helix Angle | 14.5 DEGREES |
| Nominal Distance Between Body Face and Recessed Hub End | 0.210 INCHES FIRST END IN |
| Teeth Quantity | 30 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | PLAIN FIRST END |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.280 INCHES FIRST END IN |
| Face Type | CONCAVE |
| Mounting Hole Nominal Diameter | 0.248 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Mating Pitch Diameter | 0.6250 INCHES NOMINAL IN |
| Nominal Overall Length | 0.460 INCHES IN |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| Bore Nominal Depth | 0.460 INCHES BOTH ENDS IN |
| Material Document and Classification | SPEC-00-B-637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.6250 INCHES NOMINAL IN |
| Features Provided | INTEGRAL KEY |
| Keyway Quantity | 4 |
| Boss Nominal Length | 0.250 INCHES FIRST END IN |
| Boss Nominal Diameter | 0.188 INCHES FIRST END IN |
| Pressure Angle | 14.5 DEGREES |
| Material | BRONZE OVERALL |
| Attachment Method | PRESS FIT |
| Face Nominal Width | 0.180 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 |
|---|---|
| 12918625 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 3020-01-415-8283 is a Gear,worm Wheel, 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 3020-01-415-8283 has 1 manufacturer part number on file: 12918625 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12918625: Keyway Nominal Width: 0.031 INCHES FIRST END IN; Bore Nominal Diameter: 0.1248 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.1248 INCHES FIRST END IN; Helix Angle: 14.5 DEGREES. 27 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.