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 5999-01-449-2241
NSN 5965-01-222-1420
NSN 6240-00-735-7599
NSN 5905-01-463-6338
NSN 5855-01-376-0363
NSN 5965-01-168-8180
NSN 5975-00-051-5018
NSN 6220-00-660-5539
NSN 5835-00-073-0790
NSN 7035-01-232-2657
NSN 6645-00-947-0625
NSN 6135-00-170-8819