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 2925-01-628-7580
NSN 5945-01-658-1472
NSN 6110-00-191-9225
NSN 6320-01-176-8367
NSN 5998-01-136-0910
NSN 6685-01-227-6785
NSN 6135-01-252-0315
NSN 5999-00-110-3383
NSN 5998-01-530-1755
NSN 5990-01-179-1000
NSN 5950-00-130-2584
NSN 6320-01-462-2295