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 5975-01-187-7341
NSN 6610-01-347-3397
NSN 5905-01-243-0102
NSN 6610-01-549-4960
NSN 6130-00-516-9343
NSN 5998-01-525-8137
NSN 6150-01-483-1443
NSN 4140-01-555-9876
NSN 5996-01-038-8474
NSN 5998-00-216-8107
NSN 5910-01-104-4861
NSN 6685-01-474-8326