Armstrong Bushing 1-5/8″ — #425520-001

OEM 1-5/8″ bushing for Armstrong pumps. Designed to pair with the 8B2 1-5/8″ mechanical seal #975002-334 for proper shaft/seal fit.

At a glance:

• OEM part: Armstrong 425520-001

• Size: 1-5/8″

• Use with seal: #975002-334 (8B2, 1-5/8″)

• For Armstrong models/series listed below

Need the matching seal as well?
We supply the Armstrong 8B2 1-5/8″ Mechanical Seal (#975002-334) — order here: Armstrong 8B2 1-5/8″ (#975002-334)

What’s included:

• 1 × Armstrong 1-5/8″ bushing (425520-001)

Cross-Reference / Compatibility 

Armstrong 4300 Series

• Groups 3–5 — use with seal #975002-334

• M Group 5–20 (TC motors) — use with seal #975002-334

Armstrong 4302 & 4312

• Use with seal #975002-334

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