The Gear,spur, cataloged under National Stock Number 3020-00-166-8944, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-166-8944 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.094 INCHES SECOND END IN |
| Hub Nominal Diameter | 0.625 INCHES FIRST END IN |
| Teeth Quantity | 162 |
| Body Style | PLAIN, SOLID |
| Bore Style | TAPERED W/KEYWAY SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.390 INCHES FIRST END IN |
| Nominal Overall Length | 0.515 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Taper Major Nominal Diameter | 0.350 INCHES SECOND END IN |
| Pitch Diameter | 3.3730 INCHES MINIMUM AND 3.3750 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 3.415 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.225 INCHES SECOND END IN |
| Surface Treatment | ANODIZE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| 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 |
| Reference | Meaning |
|---|---|
| A15515 | 3/9 Design control — primary reference L3 Technologies, Inc. |
NSN 3020-00-166-8944 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-166-8944: Keyway Nominal Width: 0.094 INCHES SECOND END IN; Hub Nominal Diameter: 0.625 INCHES FIRST END IN; Teeth Quantity: 162; 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.