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 5945-00-081-9491
NSN 5855-00-904-0684
NSN 5985-01-352-5296
NSN 6145-00-207-8858
NSN 2925-00-066-9700
NSN 6110-01-100-4445
NSN 7035-01-076-9621
NSN 5835-00-419-6576
NSN 6135-01-445-6589
NSN 5985-01-610-4295
NSN 5975-01-607-7925
NSN 5998-00-929-8881