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 6150-00-107-1260
NSN 5925-01-185-5436
NSN 6685-00-242-6722
NSN 6685-00-350-2572
NSN 5998-01-060-6185
NSN 5990-01-101-7602
NSN 6110-01-327-3282
NSN 5985-00-161-5124
NSN 6220-01-609-3375
NSN 5855-01-478-6583
NSN 5985-00-107-4178
NSN 5905-00-493-6592