The Gear,spur, cataloged under National Stock Number 3020-01-083-8118, 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 Cnh Industrial America Llc Dba Cnh America. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-083-8118 |
| Primary Part Number | D77491 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.750 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 3.043 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Recessed Hub End | 1.560 INCHES FIRST END IN |
| Teeth Quantity | 65 |
| Body Style | WEBBED, SOLID |
| Counterbore Nominal Diameter | 2.440 INCHES FIRST END IN |
| Counterbore Nominal Diameter | 2.834 INCHES SECOND END IN |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Nominal Overall Length | 2.690 INCHES IN |
| Material Document and Classification | 66AISI/SAE5155 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 10.8333 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP 5155 OVERALL |
| Counterbore Nominal Depth | 0.400 INCHES FIRST END IN |
| Counterbore Nominal Depth | 0.535 INCHES SECOND END IN |
| Face Nominal Width | 0.620 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 |
NSN 3020-01-083-8118 is a Gear,spur, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-083-8118 has 2 manufacturer part numbers on file: D77491 (Cnh Industrial America Llc Dba Cnh America), 6882699 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for D77491: Bore Nominal Diameter: 1.750 INCHES BOTH ENDS IN; Hub Nominal Diameter: 3.043 INCHES FIRST END IN; Nominal Distance Between Body Face and Recessed Hub End: 1.560 INCHES FIRST END IN; Teeth Quantity: 65. 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.