The Gear,spur, cataloged under National Stock Number 3020-00-730-2434, 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 Breeze-Eastern Llc. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-730-2434 |
| Primary Part Number | BL2725 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Teeth Quantity | 30 |
| Second Step Nominal Diameter | 0.375 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Third Step Nominal Diameter | 0.624 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 1.805 INCHES FIRST END IN |
| First Step Nominal Length | 0.250 INCHES FIRST END IN |
| Nominal Overall Length | 2.000 INCHES IN |
| Second Step Nominal Length | 0.687 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.9375 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.275 INCHES FIRST END IN |
| Features Provided | CASEHARDENED |
| Hub Style Designator | 3 STEPS FIRST END |
| End Nominal Length | 0.305 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.000 INCHES IN |
| End Nominal Diameter | 0.305 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Third Step Nominal Length | 0.562 INCHES FIRST END IN |
| Face Nominal Width | 0.195 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BL2725 PRIMARY | Breeze-Eastern Llc (USA) |
| Reference | Meaning |
|---|---|
| BL2725 | 5/9 Secondary reference Arch Gear Works Inc |
NSN 3020-00-730-2434 is a Gear,spur, manufactured by Breeze-Eastern Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-730-2434 has 1 manufacturer part number on file: BL2725 (Breeze-Eastern Llc).
Key specifications for BL2725: Teeth Quantity: 30; Second Step Nominal Diameter: 0.375 INCHES FIRST END IN; Body Style: PLAIN, SOLID; Third Step Nominal Diameter: 0.624 INCHES FIRST END IN. 21 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 3020-00-730-2434 has DEMIL Code B. 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.