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 5999-00-505-5586
NSN 5905-01-517-5081
NSN 6135-00-078-9931
NSN 5960-01-604-1158
NSN 5855-01-444-3916
NSN 6220-00-782-2058
NSN 2925-01-251-2989
NSN 6110-01-531-6861
NSN 5905-00-234-2191
NSN 5975-00-930-9276
NSN 6150-00-590-3454
NSN 5935-00-303-4326