| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-420-8501 (014208501) |
| NCB Code | USA (01) |
| Manufacturer | Circor Aerospace Inc, Boeing Company The |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 559A-2MP-30 | circor aerospace inc | valve safety relief | 91816 | RFQ |
| 559A-4DB-30 | circor aerospace inc | valve safety relief | 91816 | RFQ |
| 559A-4MP-30 | circor aerospace inc | valve safety relief | 91816 | RFQ |
| 7M666D2-30 | boeing company the | valve safety relief | 76301 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| STYL | Style Designator | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| AHNC | Connection Style | PLAIN,OPTIONAL END(PIPE) 2ND END |
| CQGM | Maximum Operating Pressure | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| AEQJ | Minimum Operating Temp | -40.0 DEG FAHRENHEIT |
| MEDA | Media For Which Designed | AMMONIA, GASEOUS 3RD RESPONSE |
| ADSU | Disk Loading Method | SPRING |
| MEDA | Media For Which Designed | AIR 2ND RESPONSE |
| AEHZ | Maximum Operating Temp | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| MEDA | Media For Which Designed | HYDROGEN 4TH RESPONSE |
| MEDA | Media For Which Designed | ACETYLENE 1ST RESPONSE |
| MRC | Decoded Requirement | Clear Text Reply |
| THSD | Thread Series Designator | NPT ALL ENDS |
| MATT | Material | ALUMINUM BODY |
| AAJF | Thread Direction | RIGHT-HAND ALL ENDS |
| AWLS | Connection Type | THREADED INTERNAL PIPE 2ND END |
| CQJX | Nominal Thread Size | 0.250 INCHES ALL ENDS |
| ADQU | Flow Control Device | POPPET |
| CSDC | Opening Pressure Setting | 30.0 POUNDS PER SQUARE INCH |
| AWLS | Connection Type | THREADED EXTERNAL PIPE 1ST END |
| AHNC | Connection Style | PLAIN (PIPE) 1ST END |
| AQLR | Valve Operation Method | AUTOMATIC |
| Relevant Components for NSN - 4820-01-420-8501, 4820014208501 | ||||
| 4820-01-457-8919 (4820014578919) | 4820-00-518-4670 (4820005184670) | 4820-01-087-8164 (4820010878164) | 4820-01-658-8314 (4820016588314) | |
| 4820-01-600-0105 (4820016000105) | 4820-01-221-1573 (4820012211573) | 4820-01-117-0037 (4820011170037) | 4820-01-047-2107 (4820010472107) | |
| 4820-00-818-1047 (4820008181047) | 4820-01-544-0867 (4820015440867) | 4810-00-679-2778 (4810006792778) | 4820-01-115-6756 (4820011156756) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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