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 5935-01-357-0318
NSN 6620-00-912-0255
NSN 6135-01-528-0699
NSN 6150-01-501-1386
NSN 5935-00-975-0252
NSN 5975-01-223-5387
NSN 6645-01-159-8787
NSN 5910-01-512-6969
NSN 6240-00-660-8849
NSN 5925-01-521-3654
NSN 6110-00-881-4195
NSN 5855-01-147-6024