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 5975-01-010-2953
NSN 5930-01-509-0531
NSN 6145-00-382-6199
NSN 5945-01-378-9767
NSN 4140-01-308-1964
NSN 7035-01-211-5636
NSN 5960-01-512-0233
NSN 5996-01-444-5409
NSN 5950-01-409-1956
NSN 6685-00-353-7893
NSN 6110-00-374-4805
NSN 6135-01-388-8376