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 6685-00-840-4373
NSN 7035-00-360-2008
NSN 5998-00-587-3341
NSN 2925-01-387-0870
NSN 6145-01-097-0746
NSN 5975-00-252-2777
NSN 5965-01-036-1325
NSN 5990-01-118-8624
NSN 5965-01-652-8472
NSN 5910-01-358-5665
NSN 6320-00-004-9158
NSN 5910-00-983-8325