Piston
Piston Assembly Nut
- 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.
- L0618HVFind 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 the FMC Bean L0618HV piston pump. 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 the FMC Bean L0618HV model and 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 pump does this piston assembly nut fit?
- It fits the FMC Bean L0618HV piston pump.
- 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.
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