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 5985-01-394-9420
NSN 5915-01-157-9579
NSN 5950-00-753-0955
NSN 6150-00-976-3512
NSN 6110-01-062-0252
NSN 6130-00-618-7467
NSN 6150-01-327-5401
NSN 2925-00-295-8109
NSN 5975-01-599-9387
NSN 6320-00-831-2227
NSN 5910-01-314-7154
NSN 5910-01-381-0709