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 2925-01-254-3068
NSN 5998-01-418-5341
NSN 6135-01-368-2785
NSN 5990-00-112-0689
NSN 6150-01-197-1753
NSN 6145-00-360-7760
NSN 6105-00-936-5025
NSN 4140-00-222-2186
NSN 6220-01-287-1465
NSN 5998-01-042-5725
NSN 5905-00-403-8844
NSN 5835-01-497-5029