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 6220-01-653-3779
NSN 6620-00-155-2608
NSN 5985-01-169-5410
NSN 6645-01-418-8035
NSN 6130-01-338-3707
NSN 6130-01-573-6156
NSN 6105-01-480-6179
NSN 5905-01-580-7161
NSN 5895-01-556-0127
NSN 2925-01-134-9175
NSN 5999-00-754-5188
NSN 6685-01-106-3210