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 6685-01-597-5406
NSN 5975-00-526-4701
NSN 5905-01-413-9494
NSN 6145-01-301-6015
NSN 6320-01-512-2031
NSN 5960-01-076-9930
NSN 5975-01-187-7744
NSN 4140-00-332-5956
NSN 4140-00-867-6617
NSN 5905-00-170-5571
NSN 6110-00-331-8472
NSN 5950-01-439-1116