The Gear,internal, cataloged under National Stock Number 3020-01-141-2585, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-141-2585 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Teeth Quantity | 48 |
| Body Style | PLAIN, SOLID |
| Flange Nominal Thickness | 0.405 INCHES IN |
| Flange Nominal Diameter | 7.500 INCHES IN |
| Mounting Hole Type and Quantity | 12 PLAIN AXIALLY THROUGH FLANGE |
| Mounting Hole Nominal Diameter | 0.404 INCHES AXIALLY THROUGH FLANGE IN |
| Teeth Type | SPUR |
| Nominal Overall Length | 0.960 INCHES IN |
| Style Designator | FLANGED RING |
| Material Document and Classification | 66AISI/SAE 4340 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.8000 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Nominal Outside Diameter | 5.999 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4340 OVERALL |
| Bolt Hole Circle Nominal Diameter | 6.750 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 |
| Reference | Meaning |
|---|---|
| 803-5001048 REV A PIECE 60 | 3/2 Design control — primary reference U.S. Government activity |
| 803-5001048 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-141-2585 is a Gear,internal, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-141-2585: Teeth Quantity: 48; Body Style: PLAIN, SOLID; Flange Nominal Thickness: 0.405 INCHES IN; Flange Nominal Diameter: 7.500 INCHES IN. 17 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.