| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-541-4995 (005414995) |
| NCB Code | USA (00) |
| Manufacturer | Dresser Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 1.250 INCHES 1ST END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | EXPOSED SPRING |
| ADST | BONNET ATTACHMENT METHOD | UNION |
| ADSU | DISK LOADING METHOD | SPRING |
| AECS | BOLT HOLE QUANTITY | 4 2ND END |
| AEHZ | MAXIMUM OPERATING TEMP | 100.0 DEG FAHRENHEIT 2ND RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT 1ST RESPONSE |
| AHNC | CONNECTION STYLE | SOCKET WITH BRAZING RING 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 2ND END |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE 1ST END |
| CQCY | ADJUSTABLE PRESSURE RANGE | 33.0 TO 53.0 POUNDS PER SQUARE INCH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 4.500 INCHES 2ND END |
| CWCK | NOMINAL THICKNESS | 0.438 INCHES 2ND END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES 2ND END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 3.375 INCHES 2ND END |
| CWDF | FLANGE FACE DESIGN | PLAIN 2ND END |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | COPPER ALLOY STEM |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| STYL | STYLE DESIGNATOR | ANGLE |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 NUT |
| Relevant Components for NSN - 4820-00-541-4995, 4820005414995 | ||||
| 4820-00-826-2534 (4820008262534) | 4820-01-212-8639 (4820012128639) | 4820-01-299-5070 (4820012995070) | 4820-01-311-8336 (4820013118336) | |
| 4820-00-872-1404 (4820008721404) | 4810-01-699-7433 (4810016997433) | 4810-01-546-7955 (4810015467955) | 4820-01-596-0825 (4820015960825) | |
| 4820-01-327-4978 (4820013274978) | 4820-01-272-7691 (4820012727691) | 4820-00-453-3551 (4820004533551) | 4820-00-304-9412 (4820003049412) | |
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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