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 5950-01-389-8299
NSN 6135-01-322-4655
NSN 5990-01-623-0082
NSN 6150-00-596-9253
NSN 5996-00-474-2245
NSN 6135-01-442-4581
NSN 5855-01-616-8724
NSN 5920-00-984-4428
NSN 6645-00-679-8203
NSN 5925-00-482-8704
NSN 5996-00-498-4416
NSN 7035-01-069-3537