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 5925-01-406-4093
NSN 5920-01-349-5554
NSN 5935-00-288-5973
NSN 4140-01-377-1265
NSN 5975-01-222-0115
NSN 6150-01-630-8516
NSN 6610-01-152-2821
NSN 6240-00-107-1518
NSN 5855-00-908-9314
NSN 2925-00-964-0823
NSN 6685-01-473-3609
NSN 5855-01-147-6024