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 5975-00-547-8911
NSN 5905-00-352-7147
NSN 5996-00-185-1372
NSN 5910-01-242-9792
NSN 6685-01-366-3120
NSN 6150-00-045-3900
NSN 6110-01-050-1283
NSN 6240-01-479-2338
NSN 5905-01-005-2752
NSN 5855-01-350-1257
NSN 6135-01-616-4950
NSN 5945-01-475-1680