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 5960-01-478-2672
NSN 6135-00-120-1034
NSN 5905-00-579-5393
NSN 5996-01-410-6984
NSN 2925-01-455-2558
NSN 5996-01-529-0639
NSN 6320-01-381-7023
NSN 6130-00-707-7732
NSN 6240-01-020-9910
NSN 7035-00-470-4977
NSN 6685-01-360-5202
NSN 2925-01-535-7235