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 6135-00-835-7211
NSN 5985-01-525-8234
NSN 5975-01-581-2809
NSN 6685-01-426-8929
NSN 6145-00-681-1585
NSN 5996-01-285-6389
NSN 2925-01-633-4048
NSN 5915-00-353-0853
NSN 5950-01-004-9326
NSN 6645-01-557-4608
NSN 6610-00-560-1846
NSN 6150-01-585-8257