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 5855-00-466-2309
NSN 6145-00-251-9894
NSN 2925-01-100-3694
NSN 5985-01-401-5387
NSN 5990-00-254-4825
NSN 5910-01-454-1899
NSN 6110-00-244-1354
NSN 5915-01-519-2234
NSN 6150-01-163-8574
NSN 5915-01-300-6279
NSN 6150-01-068-7511
NSN 4140-00-604-4826