2a single mounting facility thread class 0.250" single mounting facility thread length 1.625" overall length 1.297" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 1.625" overall length 1.297" overall width circular wafer, bushing mount unef single mounting facility thread series
2b thread class right-hand 1.328" overall length 1.080" overall width 20 thread quantity per inch supplied w/alum-retaining ring angular shape unef thread series