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 5985-01-139-0585
NSN 5990-01-588-3999
NSN 5945-01-338-6483
NSN 6150-01-277-3957
NSN 5975-00-455-9388
NSN 6320-01-442-3428
NSN 6685-01-439-8027
NSN 6220-01-420-4460
NSN 6105-00-553-8943
NSN 6220-00-205-2040
NSN 5925-01-123-8496
NSN 6645-00-269-2764