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 7035-01-630-8371
NSN 5999-00-407-4476
NSN 6240-01-604-9172
NSN 6240-00-500-4404
NSN 6110-00-271-9928
NSN 6645-01-495-0939
NSN 5960-01-412-9474
NSN 5920-00-307-6789
NSN 5855-01-549-3666
NSN 6685-00-912-0240
NSN 5960-00-765-7742
NSN 5910-01-049-9150