Part number 11022-2 is a nitrogen relief valve utilizing a 316 CRES poppet on a Kel-F seat. The valve cracks between 406 to 430 psig and reseats by 354 psid minimum. A fitting end per MS33656-6E is provided on the inlet end and a MS33649-08 port is provided on the outlet end. The valve is 2.900 inches long by 1.00 inch diameter. The valve was designed and qualified for a United States Government aircraft program.