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 5895-01-655-0978
NSN 5998-01-567-2908
NSN 6645-01-340-4191
NSN 5930-01-421-7832
NSN 2925-01-109-7177
NSN 7035-00-140-0474
NSN 6220-01-538-0555
NSN 5990-01-460-6390
NSN 6130-00-340-9279
NSN 6145-01-448-3910
NSN 6105-01-437-4438
NSN 6685-01-023-8007