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 5998-00-189-1570
NSN 5925-00-799-8871
NSN 6320-00-242-3300
NSN 6110-00-715-9404
NSN 5996-01-574-8143
NSN 5985-00-126-1104
NSN 6685-01-050-8391
NSN 6620-01-584-6116
NSN 6135-01-090-5365
NSN 5905-00-664-4218
NSN 5855-01-433-3197
NSN 5915-01-361-9856