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 6135-00-444-1402
NSN 6685-01-065-3511
NSN 6220-00-925-2233
NSN 6145-00-465-1641
NSN 6130-01-422-3138
NSN 5960-00-131-1218
NSN 6110-01-269-5781
NSN 6240-01-103-7515
NSN 7035-01-116-6223
NSN 6145-01-030-7064
NSN 6645-01-422-1374
NSN 5965-01-222-1420