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 5990-01-248-0108
NSN 5975-01-185-1372
NSN 5895-01-562-5397
NSN 6145-01-068-7263
NSN 5998-01-360-0592
NSN 5925-00-104-5761
NSN 5895-00-727-4141
NSN 5895-01-619-6423
NSN 5950-00-558-4780
NSN 6685-01-418-0925
NSN 6645-01-290-1448
NSN 5925-01-561-6296