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 6110-01-188-8017
NSN 6650-01-579-2137
NSN 6150-01-398-9850
NSN 6620-01-425-2750
NSN 5855-01-369-5037
NSN 6620-00-078-1040
NSN 6220-01-112-8855
NSN 6320-01-429-9871
NSN 5999-00-259-9051
NSN 6145-01-620-5009
NSN 6650-01-007-2786
NSN 6130-00-277-7321