13N3308 up for sale is a new rubber wiper ring, NSN 2590-01-259-8599 , p/n 152-437 . this has a ID of around 1.67 x 2.15 OD x 0.427 high, sealed in plastic bag, buyer to pay calculated shipping and packing to your locations, see our store for more items like this one, thank you RWK.