| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-203-8051 (002038051) |
| NCB Code | USA (00) |
| Manufacturer | Derbyshire Machine And Tool Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AECS | BOLT HOLE QUANTITY | 12 ALL ENDS |
| AEHZ | MAXIMUM OPERATING TEMP | 425.0 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 |
| CQGM | MAXIMUM OPERATING PRESSURE | 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CSDC | OPENING PRESSURE SETTING | 2.0 POUNDS PER SQUARE INCH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 10.125 INCHES ALL ENDS |
| CWCK | NOMINAL THICKNESS | 0.250 INCHES ALL ENDS |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.687 INCHES ALL ENDS |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 8.875 INCHES ALL ENDS |
| CWDF | FLANGE FACE DESIGN | PLAIN ALL ENDS |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| Components Related to NSN - 4820-00-203-8051, 4820002038051 | ||||
| 4820-01-572-7837 (4820015727837) | 4820-01-478-2496 (4820014782496) | 4810-01-232-8702 (4810012328702) | 4820-12-340-3271 (4820123403271) | |
| 4820-01-424-4726 (4820014244726) | 4820-00-428-7011 (4820004287011) | 4810-01-707-6012 (4810017076012) | 4820-01-671-9772 (4820016719772) | |
| 4820-00-034-1423 (4820000341423) | 4820-01-160-8232 (4820011608232) | 4820-00-032-4754 (4820000324754) | 4810-01-516-2099 (4810015162099) | |
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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