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 5855-01-647-0320
NSN 6610-00-514-7773
NSN 5990-00-136-9609
NSN 5975-01-518-6420
NSN 6620-01-076-8706
NSN 6105-01-522-1082
NSN 6685-01-172-3213
NSN 6110-00-107-1664
NSN 5895-01-152-2895
NSN 5905-01-035-5635
NSN 5910-01-571-8982
NSN 6320-01-322-8340