The Gear,internal, cataloged under National Stock Number 3020-00-623-0116, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-623-0116 |
| Primary Part Number | 525325 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Backlash Designation | GRADE A |
| Teeth Quantity | 63 |
| Body Style | PLAIN, SOLID |
| Flange Nominal Thickness | 0.514 INCHES IN |
| Flange Nominal Diameter | 5.759 INCHES IN |
| Mounting Hole Type and Quantity | 6 PLAIN AXIALLY THROUGH FLANGE |
| Mounting Hole Nominal Diameter | 0.258 INCHES AXIALLY THROUGH FLANGE IN |
| Teeth Type | SPUR |
| Nominal Overall Length | 0.704 INCHES IN |
| Style Designator | FLANGED RING |
| Material Document and Classification | AMS6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.4625 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 0.1900 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL OVERALL |
| Bolt Hole Circle Nominal Diameter | 5.420 INCHES AXIALLY THROUGH FLANGE IN |
| Attachment Method | MOUNTING HOLE |
| 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 |
|---|---|
| 525325 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 3020-00-623-0116 is a Gear,internal, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-623-0116 has 1 manufacturer part number on file: 525325 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 525325: Backlash Designation: GRADE A; Teeth Quantity: 63; Body Style: PLAIN, SOLID; Flange Nominal Thickness: 0.514 INCHES IN. 18 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.