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 6620-01-578-7561
NSN 6650-01-406-9852
NSN 5950-00-266-0631
NSN 6135-00-377-9165
NSN 5975-01-004-7966
NSN 6320-00-445-1187
NSN 6320-00-456-2092
NSN 5905-01-459-4580
NSN 6685-00-257-2987
NSN 4140-00-005-2093
NSN 6135-01-441-5746
NSN 6650-00-519-0973