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 5996-00-990-2192
NSN 5996-01-135-9848
NSN 5996-00-224-9185
NSN 6645-00-570-0092
NSN 6620-01-538-0061
NSN 5910-01-658-6062
NSN 5910-01-437-9354
NSN 6320-00-831-2227
NSN 6685-01-558-2769
NSN 2925-01-014-8007
NSN 6110-00-663-4054
NSN 6135-01-167-0759