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 6320-01-382-9676
NSN 5965-01-606-5988
NSN 5905-00-173-4866
NSN 6620-00-010-8190
NSN 5950-01-418-1787
NSN 6240-00-681-2795
NSN 5999-01-326-9732
NSN 5925-00-186-8669
NSN 5950-01-517-1025
NSN 6645-00-933-2170
NSN 6130-01-078-0568
NSN 5965-01-632-9334