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 6240-00-372-4841
NSN 6220-00-205-2040
NSN 6105-00-103-9906
NSN 5975-00-780-0792
NSN 5925-00-930-2265
NSN 2925-01-547-4565
NSN 5996-01-576-2727
NSN 5855-01-337-0245
NSN 5895-01-303-8375
NSN 6685-01-076-4703
NSN 6220-00-946-8737
NSN 6150-01-337-6433