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 6645-00-658-7838
NSN 6620-00-170-5296
NSN 5990-00-912-9166
NSN 5975-01-211-8720
NSN 6620-01-191-5046
NSN 6145-01-334-0646
NSN 2925-01-525-8212
NSN 6240-00-456-2578
NSN 5950-01-113-5259
NSN 5945-01-324-0481
NSN 7035-01-336-0464
NSN 6135-00-377-9165