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 5990-01-162-9220
NSN 6110-01-490-2349
NSN 5835-00-327-6192
NSN 5945-01-341-1939
NSN 5920-01-169-7888
NSN 5835-01-216-7289
NSN 5965-00-111-2073
NSN 6320-00-222-1465
NSN 6610-01-406-6696
NSN 5996-01-461-3464
NSN 5999-01-560-8820
NSN 5996-00-275-9206