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 5965-01-073-9081
NSN 5855-00-631-4565
NSN 5905-01-423-8565
NSN 5975-00-477-7197
NSN 5990-01-647-8574
NSN 6685-00-734-0131
NSN 5998-01-010-6769
NSN 6110-01-272-9246
NSN 5945-01-287-6375
NSN 6610-01-281-7536
NSN 5990-01-623-0082
NSN 4140-01-634-0330