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 5930-01-201-2951
NSN 6145-01-437-9078
NSN 5905-00-466-3619
NSN 5999-00-519-8423
NSN 5910-01-180-1729
NSN 2925-01-446-0525
NSN 6220-01-394-4179
NSN 6320-01-369-5014
NSN 5950-00-573-8495
NSN 6110-00-689-1632
NSN 6620-01-299-2245
NSN 6320-01-382-9676