The Gear,spur, cataloged under National Stock Number 3020-01-020-7263, 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 Cummins Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-020-7263 |
| Primary Part Number | 17708600 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Keyway Nominal Width | 0.127 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 3.7585 INCHES BOTH ENDS IN |
| Backlash Designation | GRADE A |
| Teeth Quantity | 44 |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Precision Classification | QUALITY NUMBER 15 |
| Style Designator | HUBLESS |
| Pitch Diameter | 4.4000 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Features Provided | CASEHARDENED |
| Nominal Outside Diameter | 4.5635 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 1.9300 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.850 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 |
|---|---|
| 17708600 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 177086 | 5/9 Secondary reference Cummins Inc. |
NSN 3020-01-020-7263 is a Gear,spur, manufactured by Cummins Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-020-7263 has 1 manufacturer part number on file: 17708600 (Cummins Inc.).
Key specifications for 17708600: Keyway Nominal Width: 0.127 INCHES BOTH ENDS IN; Bore Nominal Diameter: 3.7585 INCHES BOTH ENDS IN; Backlash Designation: GRADE A; Teeth Quantity: 44. 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.