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 6620-01-169-2406
NSN 5975-00-751-9450
NSN 6620-01-100-0431
NSN 5950-01-553-1183
NSN 5945-01-252-8662
NSN 6685-01-526-6198
NSN 7035-01-388-6943
NSN 6135-01-442-7275
NSN 5996-01-238-5494
NSN 6220-01-237-2488
NSN 6110-01-558-2023
NSN 5990-00-446-0518