Nilfisk Advance 56633172 by Nilfisk Advance OEM No reviews 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Contact Us For Pricing And Availability Description Warranty OEM Cross Reference Machine Fitment Description SCR CAP HEX HD 3/8-16X1-1/4 5 Fits Nilfisk Advance 56633172 Item discontinued. Contact us for possible replacement. (alt # 56633172) Warranty OEM Cross Reference Machine Fitment