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 5930-01-270-5285
NSN 5960-01-649-1341
NSN 7035-00-679-9027
NSN 6650-00-834-9062
NSN 5965-01-434-4095
NSN 6685-01-104-7213
NSN 5975-00-005-7877
NSN 6145-00-681-1585
NSN 5905-01-098-2189
NSN 6135-00-767-0331
NSN 6320-00-216-8779
NSN 6610-01-473-1843