SPRING RETAINER 1.803 DIA SST
This is the 1.803 in. diameter SST spring retainer, a retainer that holds the spring in its installed position within the assembly. The name lists a 1.803 in. nominal diameter and an SST (stainless steel) designation. It is an aftermarket replacement that interchanges with Myers part number 18879A004 and fits the Myers C40 and C40-20 pumps. It weighs about 0.21 lb.
What it is
A retainer holds a seal, bearing or related part in its installed position within the assembly.
Pump compatibility
- C40
- C40-20
Specifications
| Property | Value |
|---|---|
| Weight | 0.21 lb (≈ 0.10 kg, converted) |
| Width | 4.6 cm |
| Height | 4.6 cm |
| Depth | 1.4 cm |
Manufacturer technical notes
Spring Retainer (1.803" Diameter, SST, SKU:18879A004) Forged from 4140 alloy steel with SAT strain-assisted tempering and LSP laser shock peening, tensile strength ≥120ksi. Corrosion resistance enhanced by 40%, API 7K compliant for mud pump fluid ends. Operates at -40°C~200°C, meets ASTM A519 standards. Compatible spring fatigue life extended by 5x.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing Myers 18879A004.
FAQ
- Which pumps does this spring retainer fit?
- It fits the Myers C40 and C40-20 pump models.
- What do "1.803 DIA" and "SST" mean?
- 1.803 DIA is the retainer's nominal diameter of 1.803 inches, and SST is the stainless-steel designation given in the part name. The retainer holds the spring in its installed position within the assembly.
- What part number does it cross-reference?
- It is an aftermarket replacement that interchanges with Myers part number 18879A004; the brand and number are listed for identification only.
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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