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 5975-01-368-3828
NSN 6320-01-315-4517
NSN 7035-01-649-0424
NSN 2925-00-315-8442
NSN 5998-01-569-0699
NSN 6620-01-060-6418
NSN 5985-01-307-3614
NSN 5975-01-392-6126
NSN 6645-01-125-6811
NSN 5925-00-529-0441
NSN 6685-01-535-9332
NSN 6130-00-081-5973