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 5965-01-593-9931
NSN 5930-00-707-4138
NSN 5950-00-311-2862
NSN 6620-01-633-8443
NSN 4140-01-022-4456
NSN 6645-00-959-6502
NSN 6145-00-369-3880
NSN 6145-00-537-7059
NSN 6130-01-293-4650
NSN 6150-00-148-1665
NSN 5925-01-513-3077
NSN 6645-01-018-1799