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 5945-00-247-3248
NSN 5950-01-399-3310
NSN 5905-01-571-5353
NSN 2925-01-359-4027
NSN 5930-00-847-6321
NSN 6620-01-418-9409
NSN 5990-00-959-3312
NSN 5925-01-454-8693
NSN 6645-01-045-4088
NSN 5985-01-586-5822
NSN 5920-01-568-8995
NSN 6110-01-185-3607