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 5975-01-338-5727
NSN 5960-00-729-5343
NSN 5915-00-882-2247
NSN 6685-01-133-1955
NSN 5990-00-538-7962
NSN 5950-01-527-3985
NSN 6135-00-269-5843
NSN 6645-01-123-9277
NSN 7035-00-225-6499
NSN 6610-01-487-6843
NSN 7035-01-476-3412
NSN 5935-01-108-0092