Used on truck; family of medium tacticle vehicle (fmtv). 3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch special o-ring material, per mil-p-5510c, do not dupe to any other nsn plain w/ bulkhead thread un all ends thread series
Used on nsn2320-01-304-2277 and nsn2320-01-304-2278 pls (palletized loading system). 2a all ends thread class union bulkhead unf all ends thread series