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 5920-01-491-3495
NSN 6220-01-086-8775
NSN 5855-01-010-4921
NSN 5905-01-421-5391
NSN 5835-00-309-2373
NSN 6620-01-449-2730
NSN 6145-01-631-5239
NSN 5920-00-221-8377
NSN 5905-01-403-2806
NSN 6240-00-416-6140
NSN 5910-00-442-2255
NSN 5920-01-093-8458