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 5998-01-252-8803
NSN 6145-01-218-0850
NSN 6130-01-424-4931
NSN 5975-01-461-2929
NSN 6105-01-548-4274
NSN 4140-00-150-8265
NSN 5975-00-246-2206
NSN 5999-00-926-3241
NSN 5925-00-500-9664
NSN 5905-01-327-2712
NSN 5975-01-190-9582
NSN 6145-00-764-2854