The Gear,worm, cataloged under National Stock Number 3020-00-289-7625, 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 The Dewey Electronics Corporation Div Pitometer Log Division. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 23 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 27 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-289-7625 |
| Primary Part Number | 12-5BPC34 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | The Dewey Electronics Corporation Div Pitometer Log Division |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Bore Nominal Diameter | 0.188 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.260 INCHES FIRST END IN |
| Nominal Overall Length | 0.719 INCHES IN |
| Pitch Diameter | 0.3310 INCHES MINIMUM AND 0.3330 INCHES MAXIMUM IN |
| Thread Form Quantity | 4 |
| Nominal Outside Diameter | 0.375 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL CORROSION RESISTING OVERALL |
| Face Nominal Width | 0.562 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 |
|---|---|
| 12-5BPC34 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-1HPC32 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 11-2EPC32 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-3GPC34 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-5APC29 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-3EPC34 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-6LPC34 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-7PC32 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-1NPC32 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 11-2GPC32 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-6BPC34 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 11-4DPC34 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 11-2MALT1PC32 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-1ALT1PC32 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-1FALT1PC32 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 11-2APC32 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-1GALT1PC32 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-6GPC34 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 12-3BPC34 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 11-2LALT1PC32 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| Reference | Meaning |
|---|---|
| DD445S6505-18ALT1PC32 | 3/2 Design control — primary reference U.S. Government activity |
| S6505-552214PC34 | 3/2 Design control — primary reference U.S. Government activity |
| DD445S6505-95PC32 | 3/2 Design control — primary reference U.S. Government activity |
| EF28S6505-475166PC34 | 3/2 Design control — primary reference U.S. Government activity |
| S6505-605245PC32 | 3/2 Design control — primary reference U.S. Government activity |
| S6505-588474PC34 | 3/2 Design control — primary reference U.S. Government activity |
| DD357S6505-465972PC34 | 3/2 Design control — primary reference U.S. Government activity |
| DD364S65-1031PC32 | 3/2 Design control — primary reference U.S. Government activity |
| S6505-449525PC34 | 3/2 Design control — primary reference U.S. Government activity |
| S6505-11895PC34 | 3/2 Design control — primary reference U.S. Government activity |
| DD445S6505-212ALT1PC32 | 3/2 Design control — primary reference U.S. Government activity |
| S6505-322046PC34 | 3/2 Design control — primary reference U.S. Government activity |
| S6505-698804PC34 | 3/2 Design control — primary reference U.S. Government activity |
| CVB41S6505-518704PC29 | 3/2 Design control — primary reference U.S. Government activity |
| 36BB1938LPC32 | 3/2 Design control — primary reference U.S. Government activity |
| DD482S6505-18ALT1PC32 | 3/2 Design control — primary reference U.S. Government activity |
| S6505-657848PC34 | 3/2 Design control — primary reference U.S. Government activity |
| CB1S6505-70ALT1PC32 | 3/2 Design control — primary reference U.S. Government activity |
| AS12S6505-31ALT1PC32 | 3/2 Design control — primary reference U.S. Government activity |
| 11T1929LPC32 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-289-7625 is a Gear,worm, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-289-7625 has 23 manufacturer part numbers on file: 12-5BPC34 (The Dewey Electronics Corporation Div Pitometer Log Division), 12-1HPC32 (The Dewey Electronics Corporation Div Pitometer Log Division), 11-2EPC32 (The Dewey Electronics Corporation Div Pitometer Log Division), 12-3GPC34 (The Dewey Electronics Corporation Div Pitometer Log Division), 12-5APC29 (The Dewey Electronics Corporation Div Pitometer Log Division) and 18 more.
Key specifications for 12-5BPC34: Thread Form Direction: RIGHT-HAND; Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.260 INCHES FIRST END IN; Nominal Overall Length: 0.719 INCHES IN. 10 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.