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 6685-00-006-1405
NSN 6220-01-526-9735
NSN 5945-01-291-7778
NSN 5925-01-229-7536
NSN 6620-01-032-3937
NSN 5925-01-395-0408
NSN 5835-01-373-9506
NSN 2925-00-328-5204
NSN 5990-01-287-9447
NSN 2925-01-157-9204
NSN 5985-01-439-3869
NSN 6145-01-502-9751