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 6110-00-028-2064
NSN 6685-01-619-6180
NSN 6110-01-367-5162
NSN 5996-01-012-1924
NSN 5985-00-816-8486
NSN 2925-01-577-9269
NSN 6135-00-255-1340
NSN 4140-00-758-0311
NSN 2925-01-197-7864
NSN 2925-01-578-7731
NSN 6685-00-169-6505
NSN 6645-00-163-9580