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 5975-00-760-6340
NSN 6645-00-958-5299
NSN 5935-00-269-5516
NSN 6130-00-167-4998
NSN 6220-01-556-6330
NSN 5915-01-142-3713
NSN 5996-00-905-1070
NSN 5915-00-528-9286
NSN 5996-00-160-1772
NSN 6150-01-572-8499
NSN 5835-01-319-4636
NSN 5935-01-227-6878