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 6240-00-950-3859
NSN 5915-00-137-6175
NSN 6650-01-035-3041
NSN 6610-01-302-2073
NSN 6650-01-432-1830
NSN 5910-01-354-7241
NSN 6645-01-649-5069
NSN 6610-00-081-2365
NSN 6220-00-935-6881
NSN 5905-01-107-4948
NSN 5998-00-091-1474
NSN 6145-01-659-2673