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 5985-00-761-1980
NSN 5950-00-622-1017
NSN 6320-00-994-0179
NSN 6105-01-650-6505
NSN 5920-00-340-3002
NSN 5975-00-361-7793
NSN 5945-00-818-9573
NSN 6150-01-025-6305
NSN 6150-01-456-8946
NSN 6650-01-399-8552
NSN 6610-00-183-0371
NSN 5985-01-283-7130