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 6610-00-191-5317
NSN 6145-01-045-6713
NSN 6610-01-253-9180
NSN 5965-01-170-9891
NSN 5998-01-481-1188
NSN 6650-00-181-8376
NSN 5965-00-993-5439
NSN 2925-01-076-6128
NSN 5895-01-576-9546
NSN 6110-00-815-5956
NSN 6240-01-466-3726
NSN 6685-01-313-4499