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 6620-00-988-9170
NSN 6130-01-607-9948
NSN 6645-01-430-2420
NSN 6240-00-710-2742
NSN 5920-01-139-5973
NSN 6130-01-059-0084
NSN 5996-01-306-0341
NSN 6135-01-390-1841
NSN 5960-01-114-8152
NSN 6685-00-432-8107
NSN 5960-01-371-9143
NSN 4140-01-212-3113