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 5996-01-345-0770
NSN 6240-00-269-9477
NSN 6620-00-924-4369
NSN 6145-00-160-0763
NSN 6105-01-158-2232
NSN 5996-01-620-2442
NSN 5905-01-052-0992
NSN 5910-01-511-0065
NSN 6650-01-599-0019
NSN 5910-01-628-5962
NSN 5925-01-057-1881
NSN 6650-01-422-1037