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 6240-00-816-6749
NSN 5975-01-462-0269
NSN 5935-01-439-5544
NSN 6145-00-657-4755
NSN 5985-00-452-2228
NSN 6145-00-398-4405
NSN 6685-00-679-9965
NSN 6610-01-487-8879
NSN 6610-01-550-7320
NSN 6645-01-393-4037
NSN 6145-01-171-0719
NSN 5925-00-834-0272