75 durometer, as568-280
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 5915-01-315-7433
NSN 6610-01-100-8128
NSN 5910-00-894-3901
NSN 6685-00-809-7599
NSN 5925-01-159-4122
NSN 5965-01-051-3727
NSN 5998-01-213-4601
NSN 6135-00-862-5736
NSN 5975-01-323-6833
NSN 5998-00-488-3705
NSN 5910-01-659-8158
NSN 6620-00-225-1475