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 6645-01-629-6343
NSN 6105-01-112-0490
NSN 5998-00-251-7568
NSN 5855-00-179-8588
NSN 5930-01-082-7914
NSN 5915-01-429-0210
NSN 6650-00-116-7439
NSN 5915-01-003-7945
NSN 4140-01-198-1452
NSN 2925-00-961-2117
NSN 5930-00-468-8320
NSN 6685-01-281-6851