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 5990-00-617-1422
NSN 6105-00-389-7994
NSN 6220-00-167-1580
NSN 5895-01-224-7159
NSN 5996-00-901-0519
NSN 5925-01-540-3541
NSN 5950-01-578-5818
NSN 6645-01-372-1614
NSN 5895-01-473-8327
NSN 5985-01-366-1969
NSN 5905-01-116-3520
NSN 7035-01-523-0819