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 5998-01-245-1978
NSN 5965-00-831-2134
NSN 5998-01-252-7897
NSN 5990-01-133-0351
NSN 5930-01-262-9184
NSN 6685-00-906-6067
NSN 6685-01-485-2314
NSN 6220-01-540-8827
NSN 5930-01-416-4215
NSN 5855-00-235-2676
NSN 2925-01-014-0118
NSN 6150-00-435-0812