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 5975-00-126-0415
NSN 6130-00-879-5197
NSN 6150-00-740-0813
NSN 5999-01-053-9931
NSN 5975-00-087-6640
NSN 5915-00-281-0304
NSN 2925-01-172-6757
NSN 4140-01-255-2419
NSN 6685-01-113-8787
NSN 5985-01-627-8307
NSN 6220-01-442-5699
NSN 5996-00-166-8095