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 6610-00-104-0552
NSN 5975-01-353-1440
NSN 6130-01-551-7251
NSN 5985-01-634-0635
NSN 6135-01-244-5580
NSN 6130-01-419-0900
NSN 5925-01-441-1841
NSN 6135-01-031-3032
NSN 5996-01-567-5340
NSN 5855-01-517-7325
NSN 6685-00-901-8712
NSN 5996-00-946-0291