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 5990-01-411-5930
NSN 5920-01-216-1981
NSN 7035-01-396-3343
NSN 5975-01-414-7080
NSN 7035-00-849-5526
NSN 5996-01-244-3137
NSN 5960-01-416-6187
NSN 6145-01-441-4239
NSN 6685-01-034-7210
NSN 5905-01-581-2170
NSN 6150-01-575-0071
NSN 5999-01-230-1283