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 5975-01-417-1752
NSN 5999-01-433-5438
NSN 6150-00-962-2183
NSN 6105-01-416-0080
NSN 2925-00-491-3549
NSN 5905-01-612-7898
NSN 5920-01-249-2708
NSN 7035-01-177-2807
NSN 6645-01-526-0379
NSN 5835-00-723-2505
NSN 6240-00-059-3514
NSN 5835-01-143-9143