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 4140-00-193-0067
NSN 6240-00-600-7138
NSN 6650-00-153-3155
NSN 6685-01-057-0768
NSN 5895-01-086-6238
NSN 4140-00-203-3870
NSN 5975-01-436-5161
NSN 5895-01-027-1754
NSN 5855-01-476-4219
NSN 6620-01-442-8444
NSN 2925-01-419-3805
NSN 6145-00-515-6931