A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5960-01-201-5804
NSN 5855-01-378-1888
NSN 5960-01-365-8752
NSN 6110-00-351-4627
NSN 5920-01-158-4133
NSN 5915-00-191-5894
NSN 6610-01-488-7408
NSN 5998-00-511-4137
NSN 5910-01-367-5953
NSN 5996-01-498-8272
NSN 5855-01-224-7975
NSN 6685-01-143-7722