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 6135-00-405-1989
NSN 6685-01-202-4050
NSN 6105-01-212-9245
NSN 5990-01-025-7466
NSN 5998-01-288-6291
NSN 5999-00-499-6276
NSN 5985-00-973-5833
NSN 5935-00-022-9148
NSN 5925-00-383-2322
NSN 5930-01-435-7222
NSN 5950-01-600-8820
NSN 6145-01-495-0942