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 6645-01-128-9353
NSN 5965-01-043-9357
NSN 5930-01-267-1916
NSN 6240-01-246-0102
NSN 5925-01-592-3077
NSN 5915-00-400-9981
NSN 6685-01-634-0611
NSN 2925-00-816-8765
NSN 5999-01-220-7473
NSN 5998-01-351-6518
NSN 5915-01-165-9778
NSN 4140-01-168-0158