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 5910-01-512-5249
NSN 5855-01-438-4588
NSN 2925-00-242-7688
NSN 5990-01-314-2264
NSN 5925-01-144-0445
NSN 5965-01-180-7070
NSN 5990-01-654-6203
NSN 6645-01-188-2918
NSN 5975-01-068-9477
NSN 5915-01-202-2495
NSN 6145-00-570-0516
NSN 5999-01-398-2541