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) | 00-289-1859 (002891859) |
| NCB Code | USA (00) |
| Manufacturer | Siemens Government Technologies, Inc, Turbodyne, Curtiss Wright Electro Mechanical Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| A19746 | siemens government technologies, inc | valve safety relief | RFQ |
| D27359PC362 | turbodyne | valve safety relief | RFQ |
| A19746 | turbodyne | valve safety relief | RFQ |
| D29950PC362 | turbodyne | valve safety relief | RFQ |
| D31210PC387 | turbodyne | valve safety relief | RFQ |
| D30597PC362 | turbodyne | valve safety relief | RFQ |
| A19746 | curtiss wright electro mechanical corporation | valve safety relief | RFQ |
| D30390PC387 | turbodyne | valve safety relief | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | PISTON |
| ADSU | DISK LOADING METHOD | SPRING |
| AECS | BOLT HOLE QUANTITY | 4 ALL ENDS |
| AEHZ | MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CQCY | ADJUSTABLE PRESSURE RANGE | 10.0 TO 40.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCD | NOMINAL OUTSIDE DIAMETER | 4.875 INCHES ALL ENDS |
| CWCK | NOMINAL THICKNESS | 0.062 INCHES ALL ENDS |
| CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.500 INCHES |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS |
| CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.500 INCHES |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 3.500 INCHES ALL ENDS |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES ALL ENDS |
| CWDL | RAISED FACE NOMINAL DIAMETER | 2.000 INCHES ALL ENDS |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
| Relevant Components for NSN - 4820-00-289-1859, 4820002891859 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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