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 6685-00-070-7259
NSN 6620-01-498-2052
NSN 4140-01-056-4453
NSN 4140-01-499-2153
NSN 5985-01-101-3972
NSN 7035-01-227-2546
NSN 2925-00-102-6835
NSN 5905-01-472-1552
NSN 5905-00-661-2395
NSN 6130-00-224-6951
NSN 5925-01-591-7979
NSN 6150-01-319-5795