Single Lip Nitrile Rotary Shaft Seal (4.125x6.001x0.438 Inch)

Single Lip Nitrile Rotary Shaft Seal (4.125x6.001x0.438 Inch)

Marsoni

M251S

$40.14

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

Single Lip Nitrile Rotary Shaft Seal (4.125x6.001x0.438 Inch)Acrylonitrile butadiene rubber (NBR) is the material name for nitrile rubber. This material is very good for seals due to its make up. Nitrile rubber can tolerate short term dry running of the sealing lip. The operating temperature range without failure of nitrile rubber is 40 to +100 C. This also offers a special nitrile rubber compound with a temperature range between 55 and +110 C. Please click here for a full in depth look at the range of seals

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These boxer briefs are excellent quality and very comfortable for my son. The fabric is soft and breathable, and they don’t irritate his skin. They’ve held up well after many washes without stretching out or fading. The waistband stays in place, and the fit is true to size. Great value for the price — I’ll definitely be repurchasing

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Reviewed in the United States on September 20, 2025

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Brittney D

Port Orchard, US

★★★★★ 4

So cute

Size: 4-5T, Color: 10 Pack - Covered Waist

Perfect fit

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Reviewed in the United States on March 3, 2026

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Tousephy

Fort Morgan, US

★★★★★ 5

Great purchase , will be buying again

Size: Medium, Color: 10 Pack - Assorted Stripes

A multiple times purchase for me. I have bought each time my son has sized up. They are good quality and my autistic son hasn't had any issues with them

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Reviewed in the United States on May 6, 2026

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Sara Elmore

Bozeman, US

★★★★★ 5

New Favorite Undies! :)

Size: Small, Color: 5 Pack - Breathable Micro Mesh

Love these for my active 6 year old! Super comfy and breathable. :) new faves.

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Reviewed in the United States on April 9, 2026

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Kaitlin Todd

Pawtucket, US

★★★★★ 5

Great breathable underwear

Size: Medium, Color: 5 Pack - Breathable Micro Mesh

These are the only underwear my son will wear. He's very sensitive about different textures but he really likes these. I have the women's version and they are also very breathable especially in hot weather. They fit true to size but are form fitting so depending on the child and where they fall in the size range if they're the last number in the range you may want to size up if they're not a very slim build

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Reviewed in the United States on April 10, 2026