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
NSN 6110-01-451-4326
NSN 5920-00-658-7219
NSN 5999-00-361-3037
NSN 5996-01-351-6181
NSN 6645-01-370-7380
NSN 6220-01-622-7783
NSN 5999-01-580-2038
NSN 6645-01-360-2866
NSN 5925-00-817-8579
NSN 5950-01-331-4770
NSN 5950-01-391-4938