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 6645-01-218-5234
NSN 5975-01-330-2340
NSN 6130-00-165-1701
NSN 6240-01-454-1603
NSN 6685-00-186-9190
NSN 5905-01-114-5120
NSN 5925-01-557-5381
NSN 5930-01-257-5268
NSN 5950-00-868-7107
NSN 4140-01-541-4286
NSN 5905-01-285-0383
NSN 5935-00-246-5280