The Gear,spur, cataloged under National Stock Number 3020-00-734-5486, 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 Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-734-5486 |
| Primary Part Number | A100257 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.625 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.250 INCHES FIRST END IN |
| Hub Nominal Diameter | 2.250 INCHES SECOND END IN |
| Teeth Quantity | 69 |
| Body Style | WEBBED, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES SECOND END IN |
| Nominal Overall Length | 1.744 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 6.9000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 1.000 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 |
|---|---|
| A100257 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| Reference | Meaning |
|---|---|
| A-100257 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Flight Systems/shelby Inc |
NSN 3020-00-734-5486 is a Gear,spur, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-734-5486 has 1 manufacturer part number on file: A100257 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for A100257: Bore Nominal Diameter: 1.625 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.250 INCHES FIRST END IN; Hub Nominal Diameter: 2.250 INCHES SECOND END IN; Teeth Quantity: 69. 13 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.