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 6110-00-714-0115
NSN 6145-01-503-2394
NSN 2925-00-763-5061
NSN 6685-00-764-7131
NSN 6220-01-234-9151
NSN 5895-01-473-3314
NSN 5975-01-200-7710
NSN 5985-01-208-5694
NSN 6110-01-412-4224
NSN 6135-01-500-0572
NSN 7035-01-386-3004
NSN 5855-01-391-7472