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 6145-01-523-7322
NSN 6110-00-789-5594
NSN 6145-00-299-7757
NSN 5950-01-012-1369
NSN 6685-01-614-5295
NSN 6240-01-122-3649
NSN 5905-01-448-8241
NSN 5925-00-119-8654
NSN 5945-00-867-5533
NSN 6220-00-686-4672
NSN 6645-00-930-9356
NSN 5985-00-348-9433