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 6645-00-253-9617
NSN 5835-01-368-1013
NSN 6145-01-414-2195
NSN 6685-01-029-0202
NSN 6110-01-025-0507
NSN 5945-00-076-3031
NSN 5855-01-537-1653
NSN 5945-01-262-2106
NSN 6645-01-042-4220
NSN 6135-00-583-3966
NSN 6320-01-029-4220
NSN 5999-00-752-4069