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 5930-01-442-9341
NSN 6130-00-144-0976
NSN 5935-01-025-9705
NSN 6610-01-247-6374
NSN 5985-01-194-4026
NSN 5999-01-613-3066
NSN 6685-01-287-8062
NSN 4140-00-851-2552
NSN 6240-01-612-0248
NSN 6110-00-166-1998
NSN 5998-01-442-7841
NSN 5996-01-555-1066