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 5920-00-661-0840
NSN 5895-00-332-9394
NSN 6105-01-654-7141
NSN 5910-01-120-6197
NSN 5965-00-280-3808
NSN 6685-01-045-9436
NSN 5915-01-120-1492
NSN 4140-01-633-2033
NSN 7035-01-235-6023
NSN 6610-01-388-0563
NSN 2925-01-311-7840
NSN 5930-01-113-8291