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 2925-01-422-1542
NSN 6130-00-161-6547
NSN 6150-01-048-0629
NSN 6240-01-313-6869
NSN 6650-01-452-8302
NSN 5999-01-432-5240
NSN 6150-00-623-7229
NSN 6135-00-377-9165
NSN 6685-00-170-9237
NSN 5915-01-322-3892
NSN 6135-00-934-9550
NSN 6240-01-615-2666