For safety relief valve
An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 5920-01-373-3886
NSN 6110-01-457-8039
NSN 5960-01-276-7836
NSN 4140-01-377-2552
NSN 5999-01-131-8098
NSN 5998-00-770-5229
NSN 6130-01-578-6565
NSN 7035-00-870-0290
NSN 5996-01-083-0642
NSN 6320-00-004-9158
NSN 6135-01-630-3158
NSN 5915-01-425-6344