NOV Mission 340-186 PLGR 1.75 TC TD NT 5.00 STK Mud Pump Plunger
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This is a new National Oilwell Varco (NOV) Mission Products Group Fluid King Expendables mud pump plunger, part number 340-186, assembled in the USA at the Odessa, Texas facility. Decoded from the label: PLGR = Plunger, 1.75 = 1.75-inch plunger diameter, TC = Tungsten Carbide faced/coated wear surface, TD = tapered drive (threaded drive end with knurled collar as visible in photos), NT = non-tapered (straight) shank/barrel geometry, 5.00 STK = 5.00-inch stroke. The tungsten carbide (TC) surface provides exceptional abrasion and corrosion resistance in high-solids drilling fluid environments, significantly extending service life versus chrome-plated steel plungers. This plunger is designed for use in Mission/NOV triplex and duplex oilfield mud pumps and is a Fluid King expendable line replacement component, compatible with pumps requiring a 1.75 in plunger bore with a 5.00 in stroke.
Product Specifications
| Brand | National Oilwell Varco (NOV) / Mission Products Group |
| Part Number (MPN) | 340-186 |
| Product Line | Fluid King Expendables |
| Component Type | Plunger (PLGR) |
| Plunger Diameter | 1.75 in |
| Stroke Length | 5.00 in |
| Wear Surface Material | Tungsten Carbide (TC) |
| Drive End Type | Threaded Drive (TD) w/ knurled collar |
| Shank Geometry | Non-Tapered (NT) straight barrel |
| Country of Assembly | USA |
| Condition | New |
| Application | Oilfield mud pump (triplex/duplex) |