Used on 5895-01-280-3568 communication s. 2b thread class right-hand 2.240" overall length 0.624" overall width 40 thread quantity per inch nickel surface treated hood, top opening w/jackscrew unc thread series
2a thread class right-hand 1.495" overall length 1.553" overall width 10 thread quantity per inch furnished items - protective cover special acme thread series