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 6610-01-116-2527
NSN 6610-00-905-6633
NSN 5996-01-028-6868
NSN 5925-01-587-8004
NSN 5965-01-425-1741
NSN 5905-01-434-8330
NSN 6685-00-960-7667
NSN 6240-00-635-9953
NSN 5915-01-365-6546
NSN 6320-00-809-5744
NSN 5855-01-318-5175
NSN 5985-01-632-0106