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 6105-01-190-0874
NSN 6320-00-646-3311
NSN 6685-01-571-7926
NSN 5960-00-179-3252
NSN 5960-00-254-4271
NSN 7035-00-870-0290
NSN 4140-00-198-4961
NSN 5965-01-326-9860
NSN 5990-01-277-9753
NSN 5975-01-444-3602
NSN 6650-00-035-9297
NSN 5855-01-042-7990