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Quality guaranteed We sell only warrantied and traceable partsAt Aviation Parts Circuit, we offer an unparalleled selection of parts for the aerospace, civil aviation, defense, electronics, and IT hardware markets. Owned and operated by ASAP Semiconductor, we have access to an inventory of more than two billion new and obsolete parts organized into an efficient, streamlined, and easy-to-navigate purchasing platform. Part numbers such as E521, which is a Valve Safety Relief from manufacturer Kunkle Industries Inc, are in stock and ready to ship with short lead times and competitive prices. We specialize in leveraging our purchasing power with major suppliers, allowing us to offer lower costs and faster shipping on all orders, even in AOG situations. Our team at Aviation Parts Circuit is available 24/7x365 to provide you with a quick quotation on part E521 and any other NSN part listed on our website.
To help users quickly locate the parts they need, our website offers a broad scope of parametric search measures, allowing customers to filter parts by their Federal Supply Group or Class, part type, part family, CAGE Code, NSN, and more. For example, if you are in need of Kunkle Industries Inc parts from NSN 4820002892009, our website can provide you with a selection of parts exclusively from that manufacturer and NSN. At Aviation Parts Circuit, our goal is not only to improve the parts procurement process, but to revolutionize it entirely. To begin the NSN part E521 purchasing process instantly, submit an RFQ today.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-289-2009 Item Description: Valve Safety Relief | 4820 | 002892009 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| E521 | 2 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| SAFETY RELIEF | ADQU | FLOW CONTROL DEVICEDISK |
| SAFETY RELIEF | ADSU | DISK LOADING METHODSPRING |
| SAFETY RELIEF | AECS | BOLT HOLE QUANTITY6 ALL ENDS |
| SAFETY RELIEF | AEHZ | MAXIMUM OPERATING TEMP425 0 DEG FAHRENHEIT SINGLE RESPONSE |
| SAFETY RELIEF | AQLR | VALVE OPERATION METHODAUTOMATIC OR MANUAL |
| SAFETY RELIEF | ARKN | FLANGE SHAPEROUND WITH HOLES ALL ENDS |
| SAFETY RELIEF | AWLS | CONNECTION TYPEFLANGE ALL ENDS |
| SAFETY RELIEF | CCFG | VALVE SIZE2 000 INCHES |
| SAFETY RELIEF | CQCY | ADJUSTABLE PRESSURE RANGE18 032 0 POUNDS PER SQUARE INCH |
| SAFETY RELIEF | CQGM | MAXIMUM OPERATING PRESSURE100 0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| SAFETY RELIEF | CWCD | NOMINAL OUTSIDE DIAMETER5 562 INCHES ALL ENDS |
| SAFETY RELIEF | CWCK | NOMINAL THICKNESS0 438 INCHES ALL ENDS |
| SAFETY RELIEF | CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE3 875 INCHES |
| SAFETY RELIEF | CWCQ | BOLT HOLE NOMINAL DIAMETER0 562 INCHES ALL ENDS |
| SAFETY RELIEF | CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE4 000 INCHES |
| SAFETY RELIEF | CWCT | BOLT CIRCLE NOMINAL DIAMETER4 438 INCHES ALL ENDS |
| SAFETY RELIEF | CWDF | FLANGE FACE DESIGNPLAIN ALL ENDS |
| SAFETY RELIEF | MATT | MATERIALCOPPER ALLOY BODY |
| SAFETY RELIEF | MEDA | MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE |
| SAFETY RELIEF | STYL | STYLE DESIGNATORANGLE FLANGED ENDS |
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