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 5950-00-446-9287
NSN 6620-00-280-2874
NSN 6145-00-154-1360
NSN 6685-01-430-2447
NSN 6150-01-426-8595
NSN 7035-00-803-3056
NSN 6130-01-094-5599
NSN 5835-00-302-5296
NSN 5925-01-188-7630
NSN 6685-01-600-0433
NSN 5930-00-062-5658
NSN 5855-01-255-1688