The Gear Sector,spur, cataloged under National Stock Number 3020-01-482-9181, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-482-9181 |
| Primary Part Number | 110-4367538 PC 13 X 14 |
| Item Name | Gear Sector,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Teeth Quantity | 116 |
| Style Designator | FLUSH HUB |
| Material Document and Classification | MIL-5-22698 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 14.5000 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Nominal Outside Diameter | 14.700 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.875 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 |
|---|---|
| 110-4367538 PC 13 X 14 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4367538 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-482-9181 is a Gear Sector,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-482-9181 has 1 manufacturer part number on file: 110-4367538 PC 13 X 14 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-482-9184. Verify interchangeability with system specifications before substitution.
Key specifications for 110-4367538 PC 13 X 14: Teeth Quantity: 116; Style Designator: FLUSH HUB; Material Document and Classification: MIL-5-22698 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Pitch Diameter: 14.5000 INCHES NOMINAL IN. 9 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.