The Gear,helical, cataloged under National Stock Number 3020-00-448-2029, 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 Lucent Technologies Inc Corporate Headquarters. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-448-2029 |
| Primary Part Number | 97563 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Teeth Quantity | 42 |
| Nominal Outside Diameter | 2.2330 INCHES IN |
| Surface Treatment | NICKEL OVERALL |
| 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 |
|---|---|
| 97563 | Telemechanics Inc (USA) |
| 97563 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 97563 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 97563 | 3/9 Design control — primary reference Lucent Technologies Inc Dba Federal Marketing Group |
NSN 3020-00-448-2029 is a Gear,helical, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-448-2029 has 2 manufacturer part numbers on file: 97563 (Telemechanics Inc), 97563 (Lucent Technologies Inc Corporate Headquarters).
1 possible match (shared part number, not a government interchangeability claim): 1620-01-207-8539. Verify interchangeability with system specifications before substitution.
Key specifications for 97563: Teeth Quantity: 42; Nominal Outside Diameter: 2.2330 INCHES IN; Surface Treatment: NICKEL OVERALL; Material: STEEL OVERALL. 4 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.