The Gear,spur, cataloged under National Stock Number 3020-01-238-8341, 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 Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-238-8341 |
| Primary Part Number | 014509-501 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.713 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.000 INCHES BOTH ENDS IN |
| Teeth Quantity | 70 |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Mounting Hole Type and Quantity | 10 PLAIN AXIALLY THROUGH BODY SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.603 INCHES BOTH ENDS IN |
| Mounting Hole Nominal Diameter | 0.125 INCHES AXIALLY THROUGH BODY SECOND END IN |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| Pitch Diameter | 5.8333 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 10 BOTH ENDS |
| Nominal Outside Diameter | 6.000 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4140 OVERALL |
| Spline Pitch Diameter | 0.6250 INCHES NOMINAL BOTH ENDS IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.375 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 |
|---|---|
| 014509-501 PRIMARY | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 014509-501 | 3/9 Design control — primary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
NSN 3020-01-238-8341 is a Gear,spur, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-238-8341 has 1 manufacturer part number on file: 014509-501 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).
Key specifications for 014509-501: Bore Nominal Diameter: 0.713 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.000 INCHES BOTH ENDS IN; Teeth Quantity: 70; Body Style: WEBBED, WITH LIGHTENING HOLES. 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 3020-01-238-8341 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.