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 6610-01-115-0391
NSN 6220-00-149-0977
NSN 5965-01-398-8871
NSN 6110-00-186-2542
NSN 6145-01-430-7211
NSN 6240-01-641-5315
NSN 5998-01-146-4752
NSN 5930-00-719-5258
NSN 6320-01-519-8767
NSN 6220-01-111-9730
NSN 5990-00-093-6794
NSN 6685-01-475-9753