The Gear,spur, cataloged under National Stock Number 3020-00-945-5596, 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 The Boeing Company. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-945-5596 |
| Primary Part Number | 369A5114 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Keyway Nominal Width | 0.097 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.437 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.625 INCHES FIRST END IN |
| Teeth Quantity | 43 |
| Body Style | WEBBED, OFFSET, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.376 INCHES FIRST END IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM HUB |
| Hardness Rating | 30.0 ROCKWELL C MAXIMUM AND 35.0 ROCKWELL C MAXIMUM TEETH |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.7917 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.913 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.272 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4340 OR STEEL COMP 4140 OVERALL |
| Body Recess Nominal Depth | 0.160 INCHES SECOND END IN |
| Face Nominal Width | 0.250 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 369A5114 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 369A5114 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 3020-00-945-5596 is a Gear,spur, manufactured by The Boeing Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-945-5596 has 1 manufacturer part number on file: 369A5114 (The Boeing Company).
Key specifications for 369A5114: Keyway Nominal Width: 0.097 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.437 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.625 INCHES FIRST END IN; Teeth Quantity: 43. 20 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 3020-00-945-5596 has DEMIL Code B. 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.