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 6320-00-521-9350
NSN 5990-00-905-6472
NSN 6220-01-341-9055
NSN 6240-01-019-1997
NSN 5985-01-645-0248
NSN 2925-01-565-6410
NSN 5999-01-514-7439
NSN 6220-00-255-5652
NSN 4140-00-964-8623
NSN 5999-00-339-3005
NSN 2925-01-577-0004
NSN 4140-01-182-2115