| Product Line | Engine |
| Category Name | Engine Parts |
| Part Type | Flanged Locking Nut |
| Alternate Part Name | Nut, Flanged Locking Nut, Engine Drive Yoke Lock Nut |
| OEM Part Number | 191AM7 |
| Application Type | Semi-Trucks, Heavy Duty Trucks |
| Outside Diameter (O.D.) | 1-11/16 in. |
| Material | Carbon Steel |
| Thickness | 22.40 mm |
| Thread Size | M20 x 2.5 |
| Net Weight | 1.04 lb. |
| Cross References | 191AM7, FNU-0401, FNU0401, XBHNH34F, 191AM7, 25099992, FNU-0401, FNU0401, XBHNH34F |
| Intended Application | - Compatible with Mack Multiple Engine Application.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
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