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 7035-01-633-9537
NSN 6645-01-367-2581
NSN 6320-00-213-0477
NSN 6135-01-452-8999
NSN 4140-00-010-2986
NSN 5950-00-239-7594
NSN 5915-01-151-3057
NSN 6645-01-101-2877
NSN 2925-00-233-5644
NSN 5945-01-318-5100
NSN 6150-00-999-2317
NSN 6130-01-652-6361