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 5905-00-885-7041
NSN 6105-00-905-3135
NSN 6105-00-005-8505
NSN 5998-00-512-9151
NSN 5915-01-514-8240
NSN 5945-01-057-7430
NSN 5915-01-019-6598
NSN 6645-00-863-8183
NSN 5950-01-084-8613
NSN 5925-00-079-7401
NSN 5998-00-093-0582
NSN 5975-00-193-8508