The Gear,spur, cataloged under National Stock Number 3020-00-798-7529, 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 Komatsu America Corp.. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-798-7529 |
| Primary Part Number | 164484H1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.300 INCHES FIRST END IN |
| Hub Nominal Diameter | 3.1563 INCHES FIRST END IN |
| Teeth Quantity | 67 |
| Body Style | WEBBED, OFFSET, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.912 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.312 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Tooth Form | STUB |
| Features Provided | CASEHARDENED |
| Hub Style Designator | PINNED FIRST END |
| Spline Quantity | 22 BOTH ENDS |
| Nominal Outside Diameter | 6.6875 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 2.2000 INCHES NOMINAL FIRST END IN |
| Face Nominal Width | 0.235 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 |
|---|---|
| 164484H1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 164484 | 5/9 Secondary reference Komatsu American Intl Co |
| 164484H1 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 3473Q95 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 3020-00-798-7529 is a Gear,spur, manufactured by Komatsu America Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-798-7529 has 1 manufacturer part number on file: 164484H1 (Komatsu America Corp.).
Key specifications for 164484H1: Bore Nominal Diameter: 2.300 INCHES FIRST END IN; Hub Nominal Diameter: 3.1563 INCHES FIRST END IN; Teeth Quantity: 67; Body Style: WEBBED, OFFSET, SOLID. 16 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.