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 2925-00-564-1692
NSN 5990-01-168-3257
NSN 7035-01-343-2582
NSN 6645-01-280-5395
NSN 6220-00-520-0333
NSN 5915-01-422-9979
NSN 5935-01-415-7516
NSN 5930-01-301-2784
NSN 4140-01-519-3222
NSN 5910-01-020-4401
NSN 5905-00-888-1741
NSN 6685-01-133-5608