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 6645-01-391-6492
NSN 5910-01-354-6601
NSN 6220-01-555-8332
NSN 2925-01-055-7607
NSN 4140-01-168-0158
NSN 5835-01-532-9373
NSN 6130-00-912-4190
NSN 6620-00-893-1303
NSN 5835-01-310-8979
NSN 6150-01-212-9010
NSN 5910-01-346-7817
NSN 7035-00-973-9215