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 5910-01-344-0121
NSN 6105-01-518-8943
NSN 6685-01-435-3102
NSN 5915-01-362-6987
NSN 2925-01-510-9378
NSN 5999-00-349-1345
NSN 5920-01-527-4767
NSN 6240-00-474-5809
NSN 6220-01-509-1339
NSN 5920-00-149-0013
NSN 5945-01-443-3423
NSN 6220-00-011-5219