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 4140-01-007-8902
NSN 6130-01-159-2264
NSN 7035-00-421-8710
NSN 6150-01-227-8199
NSN 6320-01-495-0512
NSN 4140-00-456-2268
NSN 5915-00-116-6546
NSN 6610-01-547-7349
NSN 6135-01-263-4073
NSN 6610-01-010-0276
NSN 6645-00-250-4680
NSN 5990-01-269-2111