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 6130-00-611-7214
NSN 6135-01-578-1148
NSN 6650-00-361-8222
NSN 5950-01-125-9063
NSN 4140-01-382-9283
NSN 5925-01-598-8379
NSN 6220-00-107-1835
NSN 5985-01-215-0453
NSN 5985-01-058-5092
NSN 6105-00-190-0224
NSN 6240-00-938-8687
NSN 6645-00-847-3727