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 5965-01-429-0881
NSN 5960-01-632-6576
NSN 5998-01-323-6084
NSN 2925-00-051-1467
NSN 5975-00-539-7300
NSN 5990-01-516-9665
NSN 6620-01-600-0479
NSN 6145-00-702-8816
NSN 5985-01-106-2477
NSN 5905-01-217-4495
NSN 6685-01-240-0087
NSN 5965-01-441-1525