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 6135-00-500-2082
NSN 6620-00-654-3738
NSN 6135-01-328-6583
NSN 6610-00-251-7073
NSN 5920-00-584-4592
NSN 5855-00-079-2370
NSN 2925-01-400-2286
NSN 6145-01-380-5331
NSN 6685-00-339-3699
NSN 5950-01-352-8520
NSN 7035-01-254-3606
NSN 6645-01-463-4314