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 6610-01-464-0897
NSN 6145-01-560-5347
NSN 5975-01-072-6670
NSN 6240-00-564-7914
NSN 5835-00-466-8544
NSN 6685-01-167-8612
NSN 6110-01-160-3875
NSN 5985-01-477-9573
NSN 5905-00-215-4835
NSN 6620-01-102-0008
NSN 5920-01-467-4458
NSN 6150-00-468-5416