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 5950-00-216-3663
NSN 6135-00-519-1325
NSN 5999-01-472-1914
NSN 5960-01-619-9361
NSN 6145-01-204-9529
NSN 6105-00-343-5884
NSN 5905-01-634-0595
NSN 6320-00-977-3930
NSN 6685-01-576-5848
NSN 5855-00-237-4088
NSN 6105-01-549-4225
NSN 5990-00-786-5413