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 5985-01-043-1554
NSN 2925-01-462-8593
NSN 5920-00-848-3043
NSN 5910-01-054-0835
NSN 6220-01-640-9546
NSN 5975-01-459-5651
NSN 5920-01-195-7060
NSN 5999-00-888-7636
NSN 5985-00-099-0071
NSN 5990-01-027-8260
NSN 5915-01-330-7664
NSN 6685-01-584-8871