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 6320-00-725-0754
NSN 6150-01-476-8094
NSN 6130-00-784-4223
NSN 6620-01-467-2111
NSN 5935-01-333-7209
NSN 7035-00-523-7492
NSN 2925-00-782-1498
NSN 6610-01-490-2020
NSN 5990-01-461-8969
NSN 6240-00-771-2263
NSN 6685-00-755-9319
NSN 6650-01-203-4374