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 5935-00-424-2714
NSN 2925-01-547-4565
NSN 4140-01-054-3553
NSN 6130-00-925-1184
NSN 5985-01-197-9918
NSN 5930-00-669-7389
NSN 4140-01-343-7302
NSN 6145-01-194-6505
NSN 5985-01-338-8397
NSN 5835-01-174-7700
NSN 5895-01-258-8869
NSN 6620-00-498-7781