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 2925-01-655-4455
NSN 5905-00-067-8553
NSN 5905-00-242-7723
NSN 5998-00-206-4369
NSN 6685-00-286-8481
NSN 5975-00-967-1270
NSN 5996-00-591-2241
NSN 5925-00-206-3580
NSN 6620-01-512-3032
NSN 5990-01-486-2556
NSN 6240-00-103-2448
NSN 6650-00-403-6386