The Gear,spur, cataloged under National Stock Number 3020-00-030-2541, 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 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-030-2541 |
| Primary Part Number | 86125 |
| 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 | 0.374 INCHES FIRST END IN |
| Backlash Designation | GRADE B |
| Teeth Quantity | 64 |
| Clamping Surface Nominal Length | 0.254 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.308 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.035 INCHES SECOND END IN |
| First Step Nominal Length | 0.010 INCHES SECOND END IN |
| Precision Classification | QUALITY NUMBER 7 |
| Nominal Overall Length | 0.468 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.3333 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.625 INCHES SECOND END IN |
| Hub Style Designator | SPLIT FIRST END |
| Hub Style Designator | 1 STEP SECOND END |
| End Nominal Length | 0.025 INCHES SECOND END IN |
| Nominal Outside Diameter | 1.373 INCHES IN |
| End Nominal Diameter | 0.468 INCHES SECOND END IN |
| 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 |
|---|---|
| 86125 PRIMARY | Cae Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 86125 | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 3020-00-030-2541 is a Gear,spur, manufactured by Cae Usa Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-030-2541 has 1 manufacturer part number on file: 86125 (Cae Usa Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5998-00-105-6579, 4820-00-289-1147. Verify interchangeability with system specifications before substitution.
Key specifications for 86125: Bore Nominal Diameter: 0.251 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.374 INCHES FIRST END IN; Backlash Designation: GRADE B; Teeth Quantity: 64. 26 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.