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 6130-01-176-9697
NSN 6650-00-877-1797
NSN 5996-00-161-4202
NSN 5975-01-227-2722
NSN 5985-00-526-3469
NSN 6145-01-240-6339
NSN 6145-01-535-0499
NSN 6645-00-269-2764
NSN 6320-01-476-7702
NSN 6320-00-937-5625
NSN 6150-00-471-7480
NSN 6645-01-243-0468