Type B Polypak® Rod/Piston U-Seal 4.625" x 5.250" x 0.625" - AU/NBR

Marsoni

M251S

$69.73

Get it in 3 business days with 1 day shipping. Friday, May 29

Type B Polypak® Rod/Piston U-Seal 4.625" x 5.250" x 0.625" - AU/NBRProduct Details : Type B Polypak Rod Piston U Seal 4. 625" x 5. 250" x 0. 625" AU NBR Part No: 31204625 625B Product Category: Symmetrical Seals Product Type: Rod Piston U Seal Profile: Type B Polypak Material(s): Polyurethane Nitrile Material Code: AU NBR Temperature Range: 65F to +200F ( 54C to +93C) Pressure Range: 5000 PSI ( 345 Bar) Surface Speed: < 1. 6 ft s (0. 5 m s) System Of Measurement: Inch Dimensions: 4. 625" x 5. 250" x 0. 625" Nominal

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

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Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

Lake Worth, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025

Verified Purchase

Carlos C.