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 6610-00-030-2461
NSN 5920-01-018-4152
NSN 5960-01-363-5951
NSN 5990-01-425-2175
NSN 4140-00-952-4047
NSN 6645-00-915-1817
NSN 7035-00-059-7970
NSN 5910-00-776-9527
NSN 6135-00-422-3967
NSN 5925-00-025-9282
NSN 5910-01-409-2852
NSN 6685-00-042-8473