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 6620-00-216-6416
NSN 7035-00-763-6180
NSN 6240-00-435-0433
NSN 6610-00-420-6826
NSN 5975-01-014-4648
NSN 6320-01-359-3921
NSN 5975-01-200-3379
NSN 2925-01-315-1714
NSN 6685-01-028-0527
NSN 6130-00-097-3688
NSN 5975-00-482-5354
NSN 5996-01-562-1414