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 5855-01-293-1592
NSN 6145-01-063-8318
NSN 6685-01-217-0284
NSN 5999-01-378-5395
NSN 6135-00-276-7625
NSN 5960-00-827-1201
NSN 6240-01-476-7935
NSN 5905-01-230-7087
NSN 6650-00-003-5413
NSN 6610-01-386-0647
NSN 5905-01-655-0793
NSN 6110-01-027-1501