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 5998-01-431-7953
NSN 2925-01-652-9424
NSN 5855-00-560-0110
NSN 6320-00-270-8222
NSN 5930-01-642-1353
NSN 6135-01-116-3385
NSN 6220-00-339-5263
NSN 5925-01-184-6912
NSN 6620-01-141-5747
NSN 5975-01-023-8773
NSN 2925-01-429-2235
NSN 5996-01-478-4937