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 6110-00-973-4501
NSN 6145-01-235-2190
NSN 5905-01-219-5547
NSN 6610-01-254-3647
NSN 2925-00-196-9003
NSN 5998-01-484-8587
NSN 6240-00-440-3656
NSN 5998-01-564-0291
NSN 6145-00-701-2987
NSN 5950-01-421-4138
NSN 5985-01-429-0010
NSN 6130-01-316-0038