The Gear,helical, cataloged under National Stock Number 3020-01-285-8416, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-285-8416 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.690 INCHES BOTH ENDS IN |
| Teeth Quantity | 63 |
| Bore Style | PLAIN BOTH ENDS |
| Teeth Type | SPUR |
| Nominal Overall Length | 5.340 INCHES IN |
| Pitch Diameter | 4.5000 INCHES NOMINAL IN |
| Nominal Outside Diameter | 5.150 INCHES IN |
| Material | STEEL OVERALL |
| Face Nominal Width | 1.000 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 |
|---|---|
| HLK-798 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| HLK-798 | 5/9 Secondary reference Ingersoll-Rand Co Power Tool Div |
| HLK-798 | C/1 Advisory reference — outside the item-of-supply concept Ingersoll Rand Co |
| HLK-798 | 3/9 Design control — primary reference Ingersoll-Rand Co Professional Tools Group |
| HLK-798 | C/1 Advisory reference — outside the item-of-supply concept Kay Laboratories Inc |
| 03694585 | 5/9 Secondary reference Ingersoll-Rand Co Power Tool Div |
| 03694585 | 5/9 Secondary reference Ingersoll-Rand Co Professional Tools Group |
| 03694585 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
NSN 3020-01-285-8416 is a Gear,helical, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-285-8416: Bore Nominal Diameter: 0.690 INCHES BOTH ENDS IN; Teeth Quantity: 63; Bore Style: PLAIN BOTH ENDS; Teeth Type: SPUR. 9 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.