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 6130-01-295-7452
NSN 6220-00-541-8515
NSN 6135-00-497-0491
NSN 5999-01-210-1688
NSN 6220-01-227-5364
NSN 5945-00-245-7059
NSN 6685-01-211-9084
NSN 5998-01-555-7358
NSN 6685-00-631-4739
NSN 2925-00-909-2596
NSN 5975-01-551-1720
NSN 5975-00-247-5062