The Gear,spur, cataloged under National Stock Number 3020-00-030-2558, 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 Cae Usa Inc.. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-030-2558 |
| Primary Part Number | 86241 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cae Usa Inc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.251 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.373 INCHES FIRST END IN |
| Backlash Designation | GRADE B |
| Teeth Quantity | 180 |
| Clamping Surface Nominal Length | 0.256 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.343 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 7 |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.7500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | SPLIT FIRST END |
| Nominal Outside Diameter | 3.789 INCHES IN |
| Surface Treatment | CHROMATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Attachment Method | CLAMP |
| Face Nominal Width | 0.125 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 |
|---|---|
| 86241 PRIMARY | Cae Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 86241 | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 3020-00-030-2558 is a Gear,spur, manufactured by Cae Usa Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-030-2558 has 1 manufacturer part number on file: 86241 (Cae Usa Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 2810-00-165-5920, 1680-00-871-0905, 6515-01-250-3519. Verify interchangeability with system specifications before substitution.
Key specifications for 86241: Bore Nominal Diameter: 0.251 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.373 INCHES FIRST END IN; Backlash Designation: GRADE B; Teeth Quantity: 180. 20 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.