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 5975-01-327-2316
NSN 6685-00-432-6467
NSN 5975-00-292-3250
NSN 6150-00-257-4741
NSN 5910-00-408-8859
NSN 6105-01-166-9683
NSN 6650-01-516-1559
NSN 6685-00-659-7831
NSN 6610-00-239-2374
NSN 6650-00-665-3658
NSN 5855-00-455-6070
NSN 6320-00-422-1773