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 5996-01-292-0769
NSN 6685-01-415-3895
NSN 6150-01-415-5609
NSN 5998-00-206-6613
NSN 6645-01-265-8729
NSN 6645-00-881-9978
NSN 6610-01-537-0816
NSN 6130-01-266-4346
NSN 5996-01-430-2440
NSN 6105-00-080-5537
NSN 5855-01-149-2267
NSN 5905-01-464-4180