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 5910-01-416-4146
NSN 5975-01-424-1560
NSN 6685-00-851-4135
NSN 6650-01-199-4968
NSN 5855-01-207-8691
NSN 5960-01-628-2760
NSN 6645-00-901-2791
NSN 5925-01-399-6777
NSN 6685-00-516-2173
NSN 6145-00-197-9010
NSN 5935-01-055-7783
NSN 5855-01-435-5548