Solid Contoured Backup Ring 6.250" x 6.500" x 0.050" - Nitrile

Marsoni

M251S

$11.02

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

Solid Contoured Backup Ring 6.250" x 6.500" x 0.050" - NitrileProduct Details : Solid Contoured Backup Ring 6. 250" x 6. 500" x 0. 050" Nitrile Part No: 8 259 N90 Product Category: O Rings Product Type: Solid Contoured Backup Ring Series: 8 XXX Dash No.: 259 Material(s): Nitrile Material Code: NBR Durometer: 90 Temperature Range: 40F to +250F ( 40C to +121C) System Of Measurement: Inch Dimensions: 6. 250" x 6. 500" x 0. 050" Nominal I. D. (d) : 6. 250" Nominal O. D. (D) : 6. 500" Nominal Width (W): 0. 125" R: 0.

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I love history; there is a lot in this book I did not know. It is definitely a challenge and a great way to learn. I took off one star (considered taking off two) because the author uses the non-Christian term of BCE. I HATE seeing that instead of what it really is BC - before Christ! I wonder if he is an atheist.

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Reviewed in the United States on December 27, 2025

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Kindle Customer

Lexington, US

★★★★★ 5

Useful knowledge

Format: Paperback

Great gift for the guy that thinks he's a know-it-all.

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Reviewed in the United States on January 1, 2026

Verified Purchase

Mandee

Lake Worth, US

★★★★★ 5

Very informative

Format: Paperback

Bought this for my son, and he really loves this book. He reads it over frequently. I recommend it if you have a reader that also wants to learn facts about history.

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Reviewed in the United States on May 1, 2026

Verified Purchase

Ctlvr

Belleville, US

★★★★★ 5

Trivia approach to history. Great for history buffs and trivia buffs alike

Format: Paperback

Got this as a surprise for my trivia and history loving bf. He loved it because it doesn’t only tell you about history. It quizzes the reader then explains the answers. Neat concept for a book for a man with limited time to read and loves to learn new facts.

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Reviewed in the United States on January 3, 2026