A liquid agent which must be applied to the nonwater-washable penetrant after the proper dwell time has elapsed to permit water rinsing. This requires an additional step and a period of time must be allowed for the combining to occur.
NSN 5855-01-047-9267
NSN 5965-00-682-3567
NSN 5999-00-191-3724
NSN 5920-01-498-4690
NSN 5950-00-646-8016
NSN 5855-01-660-5088
NSN 5935-01-092-9209
NSN 5855-01-441-3189
NSN 5835-00-419-6576
NSN 5855-00-491-7079
NSN 4140-01-141-7692
NSN 5895-01-298-6356