AR 1460430 Buna O-Ring 4x2.5mm Annovi Reverberi - 4903
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The AR 1460430 is a genuine OEM replacement O-ring from Annovi Reverberi, measuring 4mm x 2.5mm. It’s made from Buna-N (nitrile) rubber with a 70 durometer hardness, a firm, general-purpose compound that seals reliably and resists water, oils, and many common cleaning solutions. It’s rated to 1,500 PSI and 250°F. This is a small O-ring, the kind typically used in compact sealing spots on AR pumps and accessories such as unloaders, injectors, and valve assemblies. Over time, O-rings like this harden, flatten, or get nicked during service. Worn O-rings cause drips, seepage, pressure loss, or poor chemical draw, and replacing them restores a tight, leak-free seal.
Key features:
- 4mm x 2.5mm O-ring
- Buna-N (nitrile), 70 durometer
- Rated to 1,500 PSI
- Max temperature 250°F
- Genuine OEM Annovi Reverberi part (1460430)