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 6240-00-269-3346
NSN 6220-00-917-0881
NSN 5996-00-372-4528
NSN 6130-00-450-4454
NSN 5950-01-371-3609
NSN 5965-01-289-3509
NSN 5985-01-364-8213
NSN 5998-01-462-2222
NSN 5965-01-580-6601
NSN 5910-01-618-6407
NSN 5996-01-430-7180
NSN 5925-00-233-7523