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 4140-01-107-0576
NSN 5925-00-186-8669
NSN 5999-01-113-5316
NSN 5935-01-472-4543
NSN 5895-01-227-3125
NSN 6105-01-225-1539
NSN 6645-01-473-9179
NSN 5945-01-621-5521
NSN 6685-01-406-0601
NSN 5915-00-866-9998
NSN 5905-01-293-4221
NSN 6130-00-239-5988