The Gear,spur, cataloged under National Stock Number 3020-01-429-6006, 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 Inc Div Newport News Shipbuilding. Government technical data includes 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-429-6006 |
| Primary Part Number | 258833 ITEM 4 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.749 INCHES BOTH ENDS IN |
| Teeth Quantity | 18 |
| Body Style | PLAIN, SOLID |
| Bore Style | STRAIGHT SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.1200 INCHES BOTH ENDS IN |
| First Step Nominal Length | 0.240 INCHES BOTH ENDS IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | MIL-B-24088 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.8000 INCHES NOMINAL IN |
| First Step Nominal Diameter | 1.440 INCHES BOTH ENDS IN |
| Hub Style Designator | 1 STEP BOTH ENDS |
| Spline Quantity | 9 BOTH ENDS |
| End Nominal Length | 0.880 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 2.000 INCHES IN |
| End Nominal Diameter | 1.176 INCHES SECOND END IN |
| End Nominal Diameter | 1.184 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | NICKEL ALLOY K-500 OVERALL |
| Face Nominal Width | 0.880 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 258833 ITEM 4 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 3020-01-429-6006 is a Gear,spur, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-429-6006 has 1 manufacturer part number on file: 258833 ITEM 4 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 258833 ITEM 4: Bore Nominal Diameter: 0.749 INCHES BOTH ENDS IN; Teeth Quantity: 18; Body Style: PLAIN, SOLID; Bore Style: STRAIGHT SPLINE BOTH ENDS. 19 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.
NSN 3020-01-429-6006 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.