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 5935-01-290-0686
NSN 6150-01-550-3630
NSN 5895-00-202-4961
NSN 5950-00-553-1640
NSN 6620-01-533-8251
NSN 6145-01-605-3228
NSN 6645-01-475-4723
NSN 6130-00-928-4888
NSN 6685-00-148-9265
NSN 6650-01-254-7981
NSN 6610-01-252-8201
NSN 5905-01-521-0961