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 5910-01-500-6680
NSN 6150-00-141-8793
NSN 6110-00-538-0776
NSN 5915-01-601-3697
NSN 6685-00-864-1271
NSN 6105-00-138-9265
NSN 7035-01-172-4024
NSN 6145-00-005-6399
NSN 5975-01-555-8815
NSN 5855-01-438-4588
NSN 5935-00-369-8462
NSN 6130-00-068-4023