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 6610-00-614-7943
NSN 5990-00-615-9973
NSN 5905-01-138-8551
NSN 6240-01-147-0379
NSN 5855-01-359-5727
NSN 5950-01-467-2426
NSN 7035-01-011-3760
NSN 5905-01-497-7708
NSN 5960-01-212-4227
NSN 5915-00-804-3026
NSN 5985-01-512-6662
NSN 5925-01-343-6225