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 6145-01-491-7530
NSN 6320-01-267-7990
NSN 6220-01-226-8572
NSN 5999-01-388-1344
NSN 5950-01-175-5104
NSN 5905-01-291-9388
NSN 5925-00-467-6213
NSN 5996-00-768-0171
NSN 5950-01-538-8276
NSN 5965-01-498-4013
NSN 5925-00-432-0546
NSN 6685-00-476-7023