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 5975-01-357-8122
NSN 6135-01-142-6456
NSN 5998-01-077-5743
NSN 5950-01-361-1892
NSN 5925-00-104-8310
NSN 6685-00-469-7556
NSN 5975-01-232-8049
NSN 2925-01-157-9204
NSN 6610-00-057-3601
NSN 6650-01-165-2175
NSN 5910-00-176-3234
NSN 6110-00-121-0975