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 5985-00-766-5637
NSN 5998-00-842-0866
NSN 6145-01-378-8816
NSN 5998-00-426-5487
NSN 6135-00-932-3136
NSN 5975-01-179-6749
NSN 2925-00-787-1006
NSN 2925-01-525-8212
NSN 5950-01-386-4012
NSN 6320-01-229-2264
NSN 6135-01-068-0119
NSN 5965-01-536-4266