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 6685-01-657-0037
NSN 5930-01-248-6445
NSN 5945-01-364-2690
NSN 5930-01-151-3044
NSN 5895-01-050-3490
NSN 6220-01-229-8821
NSN 5915-01-032-4475
NSN 5905-00-758-5812
NSN 6145-00-548-2997
NSN 6145-00-663-6133
NSN 5895-01-290-3413
NSN 6220-01-645-4369