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 5920-01-470-3810
NSN 5920-01-271-2304
NSN 2925-01-308-9809
NSN 2925-00-413-2064
NSN 5905-00-343-6735
NSN 5855-00-494-9581
NSN 6145-01-290-1037
NSN 7035-00-155-9513
NSN 6220-01-544-8359
NSN 6110-01-182-7903
NSN 6685-00-063-8985
NSN 5920-00-184-2058