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 5975-00-853-5955
NSN 6130-00-166-0626
NSN 5910-01-264-7169
NSN 4140-01-005-1860
NSN 5996-00-208-3387
NSN 5999-01-172-2945
NSN 6220-01-599-9098
NSN 6620-00-974-1994
NSN 2925-01-608-1888
NSN 5925-01-621-7167
NSN 5990-00-961-6186
NSN 5905-01-573-3568