The Gear,spur, cataloged under National Stock Number 3020-01-199-8114, 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 Huntington Ingalls Incorporated Div Ingalls Shipbuilding. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-199-8114 |
| Primary Part Number | 1079-501-42 PIECE 17 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Huntington Ingalls Incorporated Div Ingalls Shipbuilding |
| Status | ACTIVE |
| Hub Nominal Diameter | 2.500 INCHES FIRST END IN |
| Teeth Quantity | 25 |
| Body Style | PLAIN, SOLID |
| Bore Style | SQUARE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.188 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 3.1250 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 3.375 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY 861 OR COPPER ALLOY 862 OR COPPER ALLOY 863 OVERALL |
| Face Nominal Width | 0.375 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 |
|---|---|
| 1079-501-42 PIECE 17 PRIMARY | Huntington Ingalls Incorporated Div Ingalls Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| SSN593-501-1863225 PIECE 17 | 5/2 Secondary reference U.S. Government activity |
| SSN593-501-1863225 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-199-8114 is a Gear,spur, manufactured by Huntington Ingalls Incorporated Div Ingalls Shipbuilding, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-199-8114 has 1 manufacturer part number on file: 1079-501-42 PIECE 17 (Huntington Ingalls Incorporated Div Ingalls Shipbuilding).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-199-8116, 4820-01-199-8160. Verify interchangeability with system specifications before substitution.
Key specifications for 1079-501-42 PIECE 17: Hub Nominal Diameter: 2.500 INCHES FIRST END IN; Teeth Quantity: 25; Body Style: PLAIN, SOLID; Bore Style: SQUARE BOTH ENDS. 13 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.