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 5999-00-954-0461
NSN 6320-01-512-2031
NSN 5905-00-123-5372
NSN 6130-01-352-1617
NSN 5915-00-205-2615
NSN 2925-01-422-1542
NSN 5915-00-065-3253
NSN 6610-01-341-6041
NSN 5975-01-543-0773
NSN 6220-01-625-3956
NSN 6610-01-212-9817
NSN 5985-01-303-7987