Piston
Piston Assembly Nut for FMC Bean L Series
- Catalogue reference number
- A5016
- Catalogue brand
- FMC Bean
Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.

Catalogue model references
These are retained catalogue associations, not confirmed fitment for your equipment. Choose the model you want to review.
- BEAN 420Find this model in manuals
- BEAN 435Find this model in manuals
- L0618COMPFind this model in manuals
- L0918Find this model in manuals
- L0918 HDFind this model in manuals
- L0918BCDFind this model in manuals
- L1118SCFind this model in manuals
- L1122DFind this model in manuals
- L1618SCFind this model in manuals
- L1622HVFind this model in manuals
- R660Find this model in manuals
- W1122BCDFind this model in manuals
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Weight | 0.24 lb (≈ 0.11 kg, converted) |
| Width | 3.8 cm |
| Height | 3.8 cm |
| Depth | 2.5 cm |
Catalogue description records
This is the piston assembly nut for FMC Bean L series piston pumps. It is the threaded nut that secures the piston assembly to its rod in the fluid end, holding the piston in place against the pump's reciprocating loads. It fits a wide range of FMC Bean L series models, including the BEAN 420, BEAN 435, L0618COMP, L0918, L0918 HD, L0918BCD, L1118SC, L1122D, L1618SC, L1622HV, R660, and W1122BCD. It weighs about 0.24 lb. Supplied as an aftermarket replacement that can replace FMC Bean part number A5016.
A pump piston transmits force from the power end to the pumped fluid inside the cylinder liner. It carries the sealing element and reciprocates within the liner bore on every stroke.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pumps does this piston assembly nut fit?
- It fits FMC Bean L series piston pumps, including the BEAN 420, BEAN 435, L0618COMP, L0918, L0918 HD, L0918BCD, L1118SC, L1122D, L1618SC, L1622HV, R660, and W1122BCD models.
- What does the piston assembly nut do?
- It secures the piston assembly to its rod in the fluid end and holds it in place under the pump's reciprocating loads.
- What part number does it replace?
- It is an aftermarket replacement for FMC Bean part number A5016; the number is given for identification and cross-reference only and does not indicate OEM manufacture.
Check the original reference
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