The Gear,spur, cataloged under National Stock Number 3020-01-221-7453, 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 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-221-7453 |
| Primary Part Number | UL3200-1 PIECE 41B |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Teeth Quantity | 30 |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.6250 INCHES NOMINAL IN |
| Nominal Outside Diameter | 0.666 INCHES IN |
| Material | STEEL 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 |
|---|---|
| UL3200-1 PIECE 41B PRIMARY | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3315375 | D/9 Drawing number reference only U.S. Government activity |
| UL3200-1 PIECE 41B | 3/9 Design control — primary reference The Electric Tachometer Corp. |
| UL3200 | D/9 Drawing number reference only The Electric Tachometer Corp. |
NSN 3020-01-221-7453 is a Gear,spur, manufactured by Dynalec Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-221-7453 has 1 manufacturer part number on file: UL3200-1 PIECE 41B (Dynalec Corporation).
Key specifications for UL3200-1 PIECE 41B: Teeth Quantity: 30; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Pitch Diameter: 0.6250 INCHES NOMINAL IN; Nominal Outside Diameter: 0.666 INCHES IN. 5 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.