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 6240-01-286-9579
NSN 5950-01-305-4093
NSN 6240-00-258-2389
NSN 5999-01-068-3639
NSN 6685-00-400-8389
NSN 2925-00-105-3907
NSN 6135-01-599-4006
NSN 6645-01-518-1107
NSN 6685-00-652-2657
NSN 5935-01-535-7211
NSN 6220-00-466-2681
NSN 6220-01-551-0833