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 6685-01-460-7839
NSN 5835-00-647-2104
NSN 6105-00-253-5520
NSN 6135-01-090-5365
NSN 6610-01-461-8180
NSN 5925-00-329-6965
NSN 6650-01-135-3127
NSN 5935-01-428-6797
NSN 5925-01-627-0576
NSN 6220-01-575-3958
NSN 5855-01-648-6329
NSN 5975-01-253-2452