At NSN Unlimited, we maintain a large database of parts 577A1-4D-30, 334220P01, 334220 with NSN 4820-01-350-3686 used in civil and defense applications for the aerospace, marine, and commercial manufactured by Meggitt North Hollywood Inc, Circor Aerospace Inc, Howden Fluid Systems. Utilize our interface to browse items by part number, part type, manufacturer, and more. Obtain insights on top MRO and FBO services, Manufacturer profiles, and part catalogs.
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| Alternative NSN: 4820-01-350-3686 |
| Item Name: Valve Safety Relief |
| FSG: 48 Valves |
| Federal Supply Class (FSC): 4820 Valves Nonpowered |
| NIIN: 013503686 |
| NCB Code: USA (01) |
| Manufacturers: Meggitt North Hollywood Inc , Circor Aerospace Inc , Howden Fluid Systems |
| Part No | NSN | Item Name | Manufacturer | QTY | RFQ |
|---|---|---|---|---|---|
| 577A1-4D-30 | 4820-01-350-3686 | valve safety relief | meggitt north hollywood inc | Avl | RFQ |
| 577A1-4D-30 | 4820-01-350-3686 | valve safety relief | circor aerospace inc | Avl | RFQ |
| 577A1-4D-30 | 4820-01-350-3686 | valve safety relief | howden fluid systems | Avl | RFQ |
| 334220P01 | 4820-01-350-3686 | valve safety relief | howden fluid systems | Avl | RFQ |
| 334220P01 | 4820-01-350-3686 | valve safety relief | circor aerospace inc | Avl | RFQ |
| 334220P01 | 4820-01-350-3686 | valve safety relief | meggitt north hollywood inc | Avl | RFQ |
| 334220 | 4820-01-350-3686 | valve safety relief | meggitt north hollywood inc | Avl | RFQ |
| 334220 | 4820-01-350-3686 | valve safety relief | howden fluid systems | Avl | RFQ |
| 334220 | 4820-01-350-3686 | valve safety relief | circor aerospace inc | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 0.7 GALLONS PER MINUTE |
| AEHZ | MAXIMUM OPERATING TEMP | 180.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS |
| CMLP | THREAD QUANTITY PER INCH | 20 ALL ENDS |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 30.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UNJ ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| SFTT | SURFACE TREATMENT | ANODIZE |
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