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 6685-01-252-8887
NSN 6145-01-230-1866
NSN 6240-01-252-9374
NSN 6685-00-143-7281
NSN 5998-01-347-9044
NSN 5975-01-467-7845
NSN 5975-01-412-3709
NSN 6240-00-214-9073
NSN 6150-01-330-6166
NSN 5855-01-273-1971
NSN 6130-01-023-7130
NSN 6135-01-222-0703