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 6685-01-152-4203
NSN 4140-01-466-3573
NSN 5990-00-138-2730
NSN 5935-00-821-7734
NSN 5960-00-369-8018
NSN 5975-01-069-2196
NSN 5996-00-101-0687
NSN 5920-01-277-2099
NSN 5910-01-187-0343
NSN 6150-01-487-2395
NSN 5998-00-155-6002
NSN 6150-00-784-0274