The Gear,internal, cataloged under National Stock Number 3020-01-281-8602, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-281-8602 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.792 INCHES BOTH ENDS IN |
| Teeth Quantity | 20 |
| Surface Treatment Document and Classification | MIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Teeth Type | SPUR |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | HUBLESS |
| Material Document and Classification | AMS6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.8333 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Spline Quantity | 20 BOTH ENDS |
| Nominal Outside Diameter | 1.875 INCHES IN |
| Surface Treatment | TIN OVERALL |
| Pressure Angle | 30.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 0.8333 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.095 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 |
| Reference | Meaning |
|---|---|
| 2624126-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-281-8602 is a Gear,internal, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-281-8602: Bore Nominal Diameter: 0.792 INCHES BOTH ENDS IN; Teeth Quantity: 20; Surface Treatment Document and Classification: MIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Style: PLAIN, SOLID. 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.