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 6240-00-001-5353
NSN 4140-01-264-6739
NSN 6240-01-245-2291
NSN 6645-01-622-6161
NSN 6685-00-460-2174
NSN 6685-00-061-8037
NSN 6150-01-426-8986
NSN 5985-00-176-0166
NSN 5935-01-183-3900
NSN 6130-01-492-6148
NSN 5996-01-481-7694
NSN 6220-01-078-8576