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 6240-00-617-1719
NSN 2925-01-304-2127
NSN 6150-00-535-7873
NSN 6685-01-017-9122
NSN 5910-00-179-2496
NSN 6240-01-062-9144
NSN 5930-01-352-3916
NSN 5998-01-610-9168
NSN 5915-00-434-1156
NSN 5965-01-182-5768
NSN 2925-01-565-6410
NSN 5965-01-096-7825