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 6645-00-153-3834
NSN 5835-00-987-9341
NSN 6685-01-121-3728
NSN 6135-00-062-5080
NSN 6320-01-631-7828
NSN 5985-01-419-1463
NSN 5895-00-892-3924
NSN 5965-01-299-8690
NSN 5925-00-246-4645
NSN 5965-01-113-9061
NSN 5985-01-337-0291
NSN 6145-01-400-1838