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 2925-01-629-9416
NSN 6105-01-050-7795
NSN 5998-00-376-3189
NSN 6610-00-783-8786
NSN 5925-00-984-9125
NSN 6135-01-096-1452
NSN 6685-01-140-6696
NSN 6650-01-422-1037
NSN 4140-00-963-8285
NSN 5950-00-596-8102
NSN 5905-00-206-1943
NSN 6620-01-415-5803