The Gear,spur, cataloged under National Stock Number 3020-00-722-0100, 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 Hornet Acquisitionco, Llc Dba Onboard Systems. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-722-0100 |
| Primary Part Number | 1240C18 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.031 INCHES BOTH ENDS IN |
| Teeth Quantity | 39 |
| Body Style | WEBBED, OFFSET, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | HUBLESS, RECESSED BODY |
| Pitch Diameter | 1.6250 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 1.705 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.530 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 |
|---|---|
| 1240C18 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 1240C18 | 3/9 Design control — primary reference Goodrich Corporation Dba Trw Lucas Aerospace |
| 1240C18 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-722-0100 is a Gear,spur, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-722-0100 has 1 manufacturer part number on file: 1240C18 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 1240C18: Bore Nominal Diameter: 1.031 INCHES BOTH ENDS IN; Teeth Quantity: 39; Body Style: WEBBED, OFFSET, SOLID; Bore Style: PLAIN BOTH ENDS. 12 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 3020-00-722-0100 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.