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 5975-01-101-1422
NSN 5950-01-192-1560
NSN 5975-00-239-7347
NSN 6610-00-273-9019
NSN 6240-00-764-5207
NSN 6645-01-168-8465
NSN 5945-01-555-5264
NSN 5925-01-227-8378
NSN 6130-01-517-4221
NSN 6685-01-345-3559
NSN 5975-01-518-1592
NSN 5998-00-528-9032