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 6620-01-601-3850
NSN 5930-01-328-7532
NSN 5965-00-564-1079
NSN 5975-00-841-1284
NSN 5985-01-557-3380
NSN 6150-01-607-1973
NSN 5905-00-461-3187
NSN 6650-00-515-6002
NSN 5925-01-142-5349
NSN 5950-01-271-8507
NSN 5935-00-947-9984
NSN 6145-00-283-7641