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 5960-00-567-2380
NSN 6145-01-558-9396
NSN 5915-00-234-0809
NSN 6610-00-716-5248
NSN 6135-00-078-9931
NSN 5996-01-496-8563
NSN 6685-00-338-4235
NSN 5999-01-620-6427
NSN 5895-00-684-6879
NSN 6320-01-033-6624
NSN
NSN 5925-00-027-2764