The Gear,spur, cataloged under National Stock Number 3020-00-181-2850, 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 Satair A/s. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-181-2850 |
| Primary Part Number | LW11170 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Satair A/s |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.948 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.250 INCHES SECOND END IN |
| Teeth Quantity | 47 |
| Body Style | WEBBED, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.864 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 1.220 INCHES FIRST END IN |
| First Step Nominal Length | 0.090 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 5.8750 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 1.880 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| Spline Quantity | 14 BOTH ENDS |
| End Nominal Length | 0.820 INCHES FIRST END IN |
| Nominal Outside Diameter | 6.125 INCHES IN |
| End Nominal Diameter | 1.185 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 0.8750 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.330 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 |
| Part Number | Manufacturer |
|---|---|
| LW11170 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| LW11170 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-181-2850 is a Gear,spur, manufactured by Satair A/s, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-181-2850 has 1 manufacturer part number on file: LW11170 (Satair A/s).
Key specifications for LW11170: Bore Nominal Diameter: 0.948 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.250 INCHES SECOND END IN; Teeth Quantity: 47; Body Style: WEBBED, SOLID. 22 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.