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 6610-00-226-4710
NSN 7035-00-897-7567
NSN 5835-00-413-4701
NSN 2925-01-025-0082
NSN 6110-01-359-8715
NSN 5945-00-798-8625
NSN 2925-00-943-2263
NSN 5990-01-563-1554
NSN 6130-00-115-0574
NSN 6685-01-566-4311
NSN 6220-01-013-1784
NSN 5960-01-106-3086