Whether you are in need of military aviation parts, NSN components, or various forms of aerospace and defense parts, Aerospace Store is a single-sourcing solution with over 2 billion product listings readily available for purchase at any time with competitive pricing. You have reached the Request for Quote (RFQ) page for part number 559B-2M-20, a Circor Aerospace Inc component we feature that is listed with the NSN 4820006184989 and item name “Valve Safety Relief.” For further identification, part number 559B-2M-20 was also specifically produced under CAGE Code 91816 and belongs to Federal Supply Class (FSC) 4820 Valves Nonpowered. If you would like to receive specific options for procurement that have been tailored to your unique needs and restrictions alike, we ask that you please fill out and submit the form provided on this page with as much information as you can. Once our team has a chance to receive and review your offered details, a dedicated account manager will be in touch shortly after.
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Items like part number 559B-2M-20 and others are all readily available with short lead times, and we boast rigorous quality-assurance practices to guarantee the caliber and reliability of every purchase made on our website. Beyond quality, we are fully committed to customer satisfaction, regularly exceeding industry expectations to ensure that we thoroughly and efficiently address every need. If you happen to be facing a time constraint that demands more specialized fulfillment solutions, please give us a call or email at any time to discuss the options we can provide. We are available around the clock and are always happy to assist, so do not hesitate to reach out for part number 559B-2M-20 and other various items of interest.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-618-4989 Item Description: Valve Safety Relief | 4820 | 006184989 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | isc | rnvc | rncc | HCC | MSDS | SADC |
| 559b-2m-20 | 2 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END" |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END" |
| ADQU | FLOW CONTROL DEVICE | POPPET" |
| ADSU | DISK LOADING METHOD | SPRING" |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 1ST END" |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC" |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END" |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE" |
| CMLP | THREAD QUANTITY PER INCH | 18 1ST END" |
| CQCY | ADJUSTABLE PRESSURE RANGE | +10.0/+30.0 POUNDS PER SQUARE INCH" |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END" |
| CSDC | OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH" |
| FEAT | SPECIAL FEATURES | POP-OFF TYPE" |
| MATT | MATERIAL | COPPER ALLOY OVERALL" |
| MEDA | MEDIA FOR WHICH DESIGNED | ACETYLENE 2ND RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS 3RD RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDROGEN 5TH RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 4TH RESPONSE" |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY." |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END" |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END" |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END" |
| ADQU | FLOW CONTROL DEVICE | POPPET" |
| ADSU | DISK LOADING METHOD | SPRING" |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 1ST END" |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC" |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END" |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE" |
| CMLP | THREAD QUANTITY PER INCH | 18 1ST END" |
| CQCY | ADJUSTABLE PRESSURE RANGE | +10.0/+30.0 POUNDS PER SQUARE INCH" |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END" |
| CSDC | OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH" |
| FEAT | SPECIAL FEATURES | POP-OFF TYPE" |
| MATT | MATERIAL | COPPER ALLOY OVERALL" |
| MEDA | MEDIA FOR WHICH DESIGNED | ACETYLENE 2ND RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS 3RD RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDROGEN 5TH RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 4TH RESPONSE" |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY." |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END" |
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