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 6240-00-201-9011
NSN 6620-01-160-0439
NSN 5985-01-168-9636
NSN 6145-01-540-7751
NSN 5960-00-262-1942
NSN 6620-01-020-4526
NSN 5990-01-033-1423
NSN 2925-01-497-9381
NSN 5985-01-164-8390
NSN 5999-00-175-8211
NSN 6320-00-116-3658
NSN 6105-00-054-0703