| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-151-5605 (011515605) |
| NCB Code | USA (01) |
| Manufacturer | Circor Aerospace Inc, Entwistle Co The, The Entwistle Company |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 559T-4D-20 | circor aerospace inc | valve safety relief | 91816 | RFQ |
| KT-3225-1 | entwistle co the | valve safety relief | 25573 | RFQ |
| KT-3225-1 ITEM13 | entwistle co the | valve safety relief | 25573 | RFQ |
| KT-3225-1 ITEM13 | the entwistle company | valve safety relief | 20722 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT 1ST RESPONSE280.0 DEG FAHRENHEIT 2ND RESPONSE |
| AHNC | CONNECTION STYLE | FLARED (TUBE) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END |
| CQRB | SEAT ANGLE | 37.0 DEGREES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL CORROSION RESISTING BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | ACETYLENE 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 2ND RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | GAS,INERT 3RD RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDROGEN 4TH RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 5TH RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| THSD | THREAD SERIES DESIGNATOR | UNJF 1ST END |
| Relevant Components for NSN - 4820-01-151-5605, 4820011515605 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
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