The Gear,spur, cataloged under National Stock Number 3020-01-128-2354, 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 Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-128-2354 |
| Primary Part Number | 437B116 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| Status | ACTIVE |
| Keyway Nominal Width | 0.032 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.078 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.125 INCHES FIRST END IN |
| Teeth Quantity | 14 |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.020 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | AMS6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.1944 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 0.227 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.064 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP E9310 OVERALL |
| Face Nominal Width | 0.180 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 |
|---|---|
| 437B116 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA) |
| Reference | Meaning |
|---|---|
| 437B116 | 5/9 Secondary reference Eaton Motor Site |
NSN 3020-01-128-2354 is a Gear,spur, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-128-2354 has 1 manufacturer part number on file: 437B116 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).
Key specifications for 437B116: Keyway Nominal Width: 0.032 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.078 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.125 INCHES FIRST END IN; Teeth Quantity: 14. 17 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 3020-01-128-2354 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.