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 5996-00-218-1123
NSN 6650-00-775-6560
NSN 6110-01-594-5292
NSN 2925-01-123-2235
NSN 5920-01-503-7235
NSN 6145-00-843-8744
NSN 6110-00-774-1792
NSN 5945-01-156-7095
NSN 6650-01-079-9838
NSN 2925-01-345-9439
NSN 5910-01-532-1889
NSN 6685-00-067-5263