Smar ld301 operation & maintenance manual for differential, gage, absolute & high static pressure transmitter; fig 5.1, item 19
No other part numbers with same form, fit, and function found.
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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5835-01-332-2867
NSN 5998-01-313-4717
NSN 5990-00-050-4369
NSN 5990-01-231-1214
NSN 5960-01-011-4395
NSN 5895-00-494-4386
NSN 5905-01-206-9982
NSN 6135-01-646-5986
NSN 5990-00-129-6651
NSN 6135-01-108-6057
NSN 5910-01-479-3759
NSN 6105-00-079-0547