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 5960-00-338-3577
NSN 5915-00-054-6637
NSN 5985-01-549-3903
NSN 6610-01-356-0323
NSN 5910-01-476-1649
NSN 5965-01-426-8325
NSN 5855-00-337-3679
NSN 6620-01-575-9561
NSN 6240-01-059-3563
NSN 6135-01-281-4758
NSN 5960-01-276-2828
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