The Gear,spur, cataloged under National Stock Number 3020-01-128-9268, 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 Moog Military Aircraft Llc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-128-9268 |
| Primary Part Number | 2040861-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Hub Spline Quantity | 32 SECOND END |
| Hub Spline Quantity | 26 FIRST END |
| Bore Nominal Diameter | 1.020 INCHES BOTH ENDS IN |
| Teeth Quantity | 28 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.224 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 2.236 INCHES FIRST END IN |
| Hardness Rating | 90.5 ROCKWELL SUPERFICIAL 15-N NOMINAL BODY |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 1.6571 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | EXTERNALLY SPLINED, INVOLUTE SPLINES BOTH ENDS |
| Nominal Outside Diameter | 1.765 INCHES IN |
| Pressure Angle | 29.0000 DEGREES |
| Material | STEEL UNS K23080 OVERALL |
| Hub Spline Pitch Diameter | 1.1875 INCHES NOMINAL SECOND END IN |
| Hub Spline Pitch Diameter | 1.3000 INCHES NOMINAL FIRST END IN |
| Face Nominal Width | 0.255 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 |
|---|---|
| 2040861-1 PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| 2040861 | D/9 Drawing number reference only Honeywell International Inc. Div Aerospace - Torrance |
| 2040861-1 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| 2040861-1 | 5/9 Secondary reference Woodbine Optical Corp |
| 10130508 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3020-01-128-9268 is a Gear,spur, manufactured by Moog Military Aircraft Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-128-9268 has 1 manufacturer part number on file: 2040861-1 (Moog Military Aircraft Llc).
Key specifications for 2040861-1: Hub Spline Quantity: 32 SECOND END; Hub Spline Quantity: 26 FIRST END; Bore Nominal Diameter: 1.020 INCHES BOTH ENDS IN; Teeth Quantity: 28. 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.
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.