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 5998-01-201-1163
NSN 5999-01-504-6951
NSN 5835-00-247-0161
NSN 5975-01-108-7049
NSN 6135-01-444-6824
NSN 7035-00-153-3826
NSN 5895-01-053-9700
NSN 6135-01-351-2690
NSN 6620-01-371-1655
NSN 5920-00-705-2916
NSN 5975-01-605-9840
NSN 6685-00-458-5300