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 6130-01-050-9866
NSN 6135-00-269-5843
NSN 6110-01-211-7209
NSN 5960-01-495-0859
NSN 6145-01-415-1912
NSN 4140-00-205-0853
NSN 6620-01-301-1272
NSN 6220-01-136-5402
NSN 6685-01-182-6416
NSN 5965-00-170-5254
NSN 5855-01-339-1718
NSN 5855-01-443-0381