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 5910-01-633-5265
NSN 5905-01-350-3624
NSN 5920-00-581-6126
NSN 5905-00-175-9191
NSN 6620-01-064-0366
NSN 6685-01-361-6969
NSN 5999-01-054-2954
NSN 5855-00-951-6483
NSN 5930-00-246-7993
NSN 5965-01-326-9860
NSN 6650-01-202-6368
NSN 2925-01-426-3410