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 6240-00-435-0433
NSN 5935-01-568-0204
NSN 5915-01-610-3771
NSN 6610-01-429-2162
NSN 6685-01-142-1969
NSN 6240-00-828-4653
NSN 6135-00-542-6216
NSN 6130-00-647-8471
NSN 6150-01-475-4517
NSN 5925-01-508-9339
NSN 6240-01-217-8287
NSN 7035-00-763-6180