The Gear Set,sector,worm Wheel, cataloged under National Stock Number 3020-01-428-6167, 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 Naval Sea Systems Command. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-428-6167 |
| Primary Part Number | 167-6404625 FIND 32.33 |
| Item Name | Gear Set,sector,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | GEAR DATA: 14 ACTUAL TEETH, 0.4375 IN. CIRCULAR PITCH, 1.810 IN. THROAT RADIUS, LH MATING WORM, 6.36 DEG HELIX ANGLE, 14.5 DEG PRESSURE ANGLE IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 167-6404625 FIND 32.33 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6404625 | D/9 Drawing number reference only Naval Sea Systems Command |
| DF1502-261 FIND NO.32,33 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 167-6404625 FIN | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 3020-01-428-6167 is a Gear Set,sector,worm Wheel, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-428-6167 has 1 manufacturer part number on file: 167-6404625 FIND 32.33 (Naval Sea Systems Command).
4 possible matches (shared part number, not a government interchangeability claim): 3120-01-430-4725, 3020-01-473-7421, 3020-01-473-7424. Verify interchangeability with system specifications before substitution.
Key specifications for 167-6404625 FIND 32.33: General Characteristics Item Description: GEAR DATA: 14 ACTUAL TEETH, 0.4375 IN. CIRCULAR PITCH, 1.810 IN. THROAT RADIUS, LH MATING WORM, 6.36 DEG HELIX ANGLE, 14.5 DEG PRESSURE ANGLE IN; End Item Identification: SEAWOLF CLASS SSN; Material: COPPER ALLOY. 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.