The Gear Sector,bevel, cataloged under National Stock Number 3020-00-026-8154, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 25 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-026-8154 |
| Primary Part Number | 1151430 |
| Item Name | Gear Sector,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.438 INCHES SECOND END IN |
| Teeth Quantity | 82 |
| Nominal Outside Radius | 0.938 INCHES IN |
| Pitch Angle | 52.0333 DEGREES |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 1 THREADED AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Type and Quantity | 2 PLAIN AXIALLY THROUGH HUB SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.105 INCHES SECOND END IN |
| Mounting Hole Nominal Diameter | 0.063 INCHES AXIALLY THROUGH HUB SECOND END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 0.250 INCHES IN |
| Style Designator | SIDE FACE, FRONT HUB FLUSH, BACK HUB PROTRUDING |
| Material Document and Classification | QQ-B-611,COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | PLAIN SECOND END |
| Mounting Hole Nominal Thread Size | 0.086 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Arc Nominal Length | 0.118 INCHES IN |
| Pitch Radius | 1.3830 INCHES NOMINAL IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Bolt Hole Circle Nominal Diameter | 0.718 INCHES AXIALLY THROUGH HUB SECOND END IN |
| Mounting Hole Thread Series Designator | UNF AXIALLY THROUGH BODY FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.093 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 |
|---|---|
| 31153PC805 | Bausch & Lomb Inc (USA) |
| 1151430 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3020-00-026-8154 is a Gear Sector,bevel, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-026-8154 has 2 manufacturer part numbers on file: 31153PC805 (Bausch & Lomb Inc), 1151430 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1151430: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.438 INCHES SECOND END IN; Teeth Quantity: 82; Nominal Outside Radius: 0.938 INCHES IN. 25 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.