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 5990-00-965-0495
NSN 5999-01-555-0100
NSN 6145-00-526-3056
NSN 6620-01-525-3650
NSN 6610-01-013-8922
NSN 5950-01-029-3579
NSN 5920-00-436-7753
NSN 7035-00-902-8995
NSN 4140-01-654-2725
NSN 5975-01-421-4474
NSN 4140-01-479-8654
NSN 6620-01-436-5661