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 6620-00-167-3825
NSN 6135-01-487-6275
NSN 5990-00-594-7291
NSN 5985-01-442-7661
NSN 6105-00-766-5191
NSN 5996-00-926-0224
NSN 6650-01-548-7915
NSN 6645-01-587-4642
NSN 5950-01-388-6815
NSN 5990-01-525-2250
NSN 2925-01-580-8072
NSN 6110-01-423-3203