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 4140-00-757-5270
NSN 7035-01-435-7962
NSN 5945-01-214-4136
NSN 6240-01-135-3874
NSN 5960-01-428-4471
NSN 5975-01-627-7109
NSN 6150-01-578-0768
NSN 7035-00-104-7613
NSN 5935-01-297-7221
NSN 6685-01-589-4795
NSN 5935-00-610-1901
NSN 5910-01-574-0303