AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-887-8539 (008878539) |
| NCB Code | USA (00) |
| Manufacturer | Teledyne Industries Inc, Parker Hannifin Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 640B-7-8-2 | teledyne industries inc | valve safety relief | RFQ |
| 640B-7-8-2 | parker hannifin corporation | valve safety relief | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 10.0 CUBIC FEET PER MINUTE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS |
| MATT | MATERIAL | STEEL BODY |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE AND VALVE STEM LOCK SHIELD |
| CSDC | OPENING PRESSURE SETTING | 750.0 POUNDS PER SQUARE INCH |
| Relevant Components for NSN - 4820-00-887-8539, 4820008878539 | ||||
| 4820-01-248-5022 (4820012485022) | 4820-01-511-3905 (4820015113905) | 4820-00-108-8528 (4820001088528) | 4820-01-613-0942 (4820016130942) | |
| 4820-00-319-7643 (4820003197643) | 4820-01-577-0941 (4820015770941) | 4820-01-262-2542 (4820012622542) | 4820-01-607-4294 (4820016074294) | |
| 4820-01-148-9327 (4820011489327) | 4820-01-292-9537 (4820012929537) | 4820-01-230-6363 (4820012306363) | 4820-01-151-4016 (4820011514016) | |
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