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 6145-00-825-4701
NSN 5950-00-810-7182
NSN 5920-01-246-5678
NSN 5910-01-480-5431
NSN 5999-01-279-0316
NSN 6150-01-211-9397
NSN 6130-01-412-5067
NSN 5975-01-492-4309
NSN 6685-01-341-6245
NSN 5990-01-577-2120
NSN 5925-00-168-1459
NSN 5998-00-165-1672