Bronze Lock Nut for FMC L Series Piston Pumps
This is a bronze lock nut for FMC Bean L-series piston pumps, used to secure and retain a threaded component against loosening under the pump's reciprocating loads. It is an aftermarket replacement for FMC Bean SKU 8309 and fits a broad range of Bean L- and W-series models including BEAN 420, BEAN 435, L0618COMP, L0618HV, L0918, L0918 HD, L0918BCD, L1118SC, L1122D, L1618SC, L1622HV, R660 and W1122BCD.
What it is
This is a complete reciprocating piston pump unit; the listed rating describes its published flow and pressure capacity.
Pump compatibility
Specifications
| Property | Value |
|---|---|
| Weight | 0.04 lb (≈ 0.02 kg, converted) |
| Width | 1.9 cm |
| Height | 2.2 cm |
| Depth | 1.1 cm |
Manufacturer technical notes
Bronze Lock Nut for FMC L Series Piston Pumps (SKU: 8309), 1/2"-13 hex nut forged from ASTM B505 C65500 silicon bronze (Cu≥88%, Sn≤1.5%), tensile strength ≥550MPa, threads conform to ASME B1.1 2A/3A standard, salt spray tested 2000h corrosion-free, API 7K mud pump piston rod compatible with anti-loosening stability under high-pressure drilling conditions.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing FMC Bean 8309.
FAQ
- Which FMC Bean pumps does this lock nut fit?
- It fits BEAN 420, BEAN 435, L0618COMP, L0618HV, L0918, L0918 HD, L0918BCD, L1118SC, L1122D, L1618SC, L1622HV, R660 and W1122BCD.
- What does a lock nut do here?
- A lock nut secures and retains a threaded component so it does not loosen under the repeated reciprocating loads of the pump.
- Which part number does it cross-reference?
- It is an aftermarket replacement for FMC Bean part number 8309. The brand and number are listed for identification only and do not indicate OEM manufacture.
Related parts
All brand names, model numbers and part numbers are used for identification and cross-reference only and do not imply original-equipment manufacture. This is an aftermarket replacement part.
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