Hawke - 501/453/UNIV/Os-1/2 NPT referenced product produced by high technology. 501/453/UNIV/Os-1/2 NPT became irreplaceable of foundations. It distinguishes with price and quality among the similar products. You can find the most competitive prices about endustriel accessories in our company. 501/453/UNIV/Os-1/2 NPT referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.