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 5905-01-208-9067
NSN 6320-01-064-0372
NSN 6150-01-119-5624
NSN 6240-01-206-4809
NSN 6645-00-911-2999
NSN 5905-01-568-8616
NSN 6220-01-412-0687
NSN 6110-00-051-7949
NSN 5999-01-317-3819
NSN 5935-01-440-4475
NSN 6145-01-356-8784
NSN 5910-01-633-9963