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 5960-00-275-7497
NSN 6240-00-222-0276
NSN 5930-00-242-2707
NSN 7035-00-585-2113
NSN 5998-01-569-2967
NSN 6220-00-257-5183
NSN 5895-00-803-6217
NSN 5965-01-454-8076
NSN 5999-00-136-4173
NSN 6220-01-060-1096
NSN 6145-01-412-0926
NSN 5925-00-007-9564