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 5930-00-941-2862
NSN 6645-00-347-0356
NSN 5925-01-554-3786
NSN 6610-00-881-5060
NSN 6145-00-517-6666
NSN 5895-00-175-6415
NSN 6150-01-004-9632
NSN 5855-01-541-1361
NSN 6240-00-782-5991
NSN 6610-00-171-5015
NSN 5999-01-363-4189
NSN 6685-01-500-0395