Which pumps does this cap screw fit?

It fits FMC Bean A04, A0410, A0413, E0410, E0411, E0413, I04, L0413, R10 and R2020 pumps.

What does this cap screw do?

It secures the piston retainer in the fluid end, holding the retainer and piston assembly in their installed position.

Which part number does this replace?

It is an aftermarket replacement for FMC Bean SKU 1284516. The brand and number are used for cross-reference only.

Piston Retainer Cap Screw for FMC Bean A04/I04/R10/R2020

Piston Retainer Cap Screw for FMC Bean A04/I04/R10/R2020 — Piston aftermarket replacement part

This Piston Retainer Cap Screw is the threaded fastener that secures the piston retainer in the fluid end of FMC Bean reciprocating pumps, holding the retainer and piston assembly in their installed position. It fits a broad range of FMC Bean models, including the A04, A0410, A0413, E0410, E0411, E0413, I04, L0413, R10 and R2020 pumps, and weighs about 0.04 lb. This is an aftermarket replacement part offered as a substitute for FMC Bean SKU 1284516; the brand and part number are listed for identification and cross-reference only and do not indicate OEM manufacture.

What it is

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.

Pump compatibility

A04
A0410
A0413
E0410
E0411
E0413
I04
L0413
R10
R2020

Specifications

Property	Value
Weight	0.04 lb (≈ 0.02 kg, converted)
Width	1.3 cm
Height	1.3 cm
Depth	5.1 cm

Manufacturer technical notes

Piston Retainer Cap Screw for FMC BEAN A04/I04/R10/R2020, manufactured from 10.9 grade alloy steel with quenching & tempering plus Dacromet coating, tensile strength ≥1040MPa, compatible with API 7K mud pumps for high-pressure corrosive environments.

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing FMC Bean 1284516.

FAQ

Which pumps does this cap screw fit?: It fits FMC Bean A04, A0410, A0413, E0410, E0411, E0413, I04, L0413, R10 and R2020 pumps.
What does this cap screw do?: It secures the piston retainer in the fluid end, holding the retainer and piston assembly in their installed position.
Which part number does this replace?: It is an aftermarket replacement for FMC Bean SKU 1284516. The brand and number are used for cross-reference only.

Related parts

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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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