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 5855-01-568-7772
NSN 5835-01-442-6482
NSN 5925-00-145-9065
NSN 4140-01-501-2944
NSN 6685-00-900-6891
NSN 5990-01-034-8211
NSN 5998-01-100-0910
NSN 6105-00-379-2402
NSN 5965-00-527-8818
NSN 5999-01-266-2025
NSN 6135-01-440-9412
NSN 2925-00-928-5931