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 6685-01-440-7214
NSN 5990-01-147-5225
NSN 5975-01-500-1935
NSN 6685-01-178-0979
NSN 5855-01-378-9048
NSN 6645-01-432-3587
NSN 5905-01-116-9985
NSN 5855-00-145-3307
NSN 5996-00-235-0823
NSN 5920-00-879-8654
NSN 4140-00-283-6843
NSN 6110-01-522-5402