| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-620-8123 (006208123) |
| NCB Code | USA (00) |
| Manufacturer | Eca Etablissement Central Des, Anderson Greenwood Lp, Keen Manufacturing Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS |
| CMLP | THREAD QUANTITY PER INCH | 18 ALL ENDS |
| CQCY | ADJUSTABLE PRESSURE RANGE | 7.0 TO 10.0 POUNDS PER SQUARE INCH |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS |
| FEAT | SPECIAL FEATURES | PRESSURE TIGHT OUTLET SIDE |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | COPPER ALLOY SEAT |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | PRESSURE TIGHT OUTLET SIDE AS DIFFERENTIATED BY FREE FROM MERCURY CONTAMINAT |
| Components Related to NSN - 4820-00-620-8123, 4820006208123 | ||||
| 4820-01-168-7617 (4820011687617) | 4820-00-036-1739 (4820000361739) | 4820-01-148-9383 (4820011489383) | 4820-01-416-7529 (4820014167529) | |
| 4810-01-036-3133 (4810010363133) | 4820-01-365-7068 (4820013657068) | 4820-00-475-4247 (4820004754247) | 4820-01-192-5887 (4820011925887) | |
| 4820-01-546-7933 (4820015467933) | 4820-00-366-2438 (4820003662438) | 4820-01-066-6185 (4820010666185) | 4810-00-670-3476 (4810006703476) | |
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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