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 6105-00-221-5049
NSN 6685-01-422-5242
NSN 7035-01-470-5613
NSN 5920-01-192-3798
NSN 6135-00-753-2276
NSN 6610-01-265-1824
NSN 6105-01-234-9155
NSN 6610-01-608-0004
NSN 5910-01-623-6283
NSN 5905-01-659-2858
NSN 6130-00-737-0459
NSN 4140-00-451-8374