National stock numbers that we have updated recently with new information.
thread length: 0.5 inches head height: 0.172 inches to 0.187 inches
thread length: 0.25 inches first end outer radius: 0.041 inches to 0.049 inches
style designator: number 60 irregular shape from fiig a03200 cross-sectional shape style: number195 irregular shape from fiig a03200