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 5990-00-014-2310
NSN 6135-01-067-8331
NSN 6645-00-456-2219
NSN 5915-00-228-4375
NSN 5905-00-070-2266
NSN 6645-01-559-4934
NSN 6685-00-838-7429
NSN 6145-01-518-3411
NSN 2925-01-540-5539
NSN 5965-01-247-0837
NSN 2925-00-878-2196
NSN 5990-01-386-5561