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 5990-01-485-0260
NSN 6685-01-458-8001
NSN 5915-01-497-7013
NSN 5985-01-209-3233
NSN 5895-00-756-6862
NSN 5905-01-025-6949
NSN 5920-00-980-4112
NSN 5975-00-350-5452
NSN 6610-01-513-8405
NSN 6645-00-287-9192
NSN 5915-01-199-4071
NSN 5855-01-624-2678