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 5990-01-126-5824
NSN 6645-00-888-5820
NSN 6320-01-648-5538
NSN 5975-01-429-0022
NSN 5905-01-500-4215
NSN 5915-01-530-4946
NSN 6650-01-251-8520
NSN 5999-01-003-1562
NSN 4140-00-273-1199
NSN 6650-01-338-9998
NSN 6145-01-231-9169
NSN 6130-01-523-3870