Item 26 of parts breakout for ws90n
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 5855-01-020-3777
NSN 5975-00-189-0093
NSN 6220-01-258-6256
NSN 5915-00-932-3040
NSN 4140-01-651-7192
NSN 6685-01-528-2906
NSN 6620-01-226-1013
NSN 5910-01-593-3960
NSN 5895-01-099-9239
NSN 5975-01-408-7991
NSN 5965-01-500-1840
NSN 6150-01-567-3329