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 5950-00-841-7412
NSN 6240-01-225-8518
NSN 5950-01-110-9830
NSN 4140-01-158-4139
NSN 5925-01-641-6549
NSN 6610-01-182-1182
NSN 5910-01-082-5335
NSN 5960-01-279-2589
NSN 6620-01-209-6909
NSN 5985-01-591-0313
NSN 5920-01-136-4010
NSN 5999-01-576-5870