The Gear,worm Wheel, cataloged under National Stock Number 3020-01-178-3545, 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 Dynalec Corporation. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-178-3545 |
| Primary Part Number | RET-29 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Teeth Quantity | 20 |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| RET-29 PRIMARY | Dynalec Corporation (USA) |
| K2011-1 PIECE 57 PRIMARY | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| RET-29 | 5/9 Secondary reference The Electric Tachometer Corp. |
| K2011-1 PIECE 57 | 5/9 Secondary reference The Electric Tachometer Corp. |
NSN 3020-01-178-3545 is a Gear,worm Wheel, manufactured by Dynalec Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-178-3545 has 2 manufacturer part numbers on file: RET-29 (Dynalec Corporation), K2011-1 PIECE 57 (Dynalec Corporation).
Key specifications for RET-29: Teeth Quantity: 20; Material: COPPER ALLOY OVERALL. 2 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.