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 6105-01-615-8060
NSN 5905-00-527-7149
NSN 4140-01-603-5149
NSN 2925-01-089-4176
NSN 6150-01-334-6414
NSN 5945-01-450-4840
NSN 5990-01-359-8334
NSN 6145-01-606-9382
NSN 6145-01-024-9211
NSN 6320-01-455-3394
NSN 6685-01-398-2756
NSN 5950-00-159-9795