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| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-237-3409 (002373409) |
| NCB Code | USA (00) |
| Manufacturer | Lunkenheimer Co |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 629 1-1 4IN | lunkenheimer co | valve safety relief | 37239 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES 2ND END |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 1.250 INCHES 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | INSIDE SCREW |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 163.0 POUNDS PER HOUR |
| AEHZ | MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 2ND END |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CMLP | THREAD QUANTITY PER INCH | 11-1/2 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 11-1/2 2ND END |
| CQCY | ADJUSTABLE PRESSURE RANGE | +1.0/+250.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 15.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 1.000 INCHES 2ND END |
| CQJX | NOMINAL THREAD SIZE | 1.250 INCHES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 15.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | COPPER ALLOY SEAT |
| MATT | MATERIAL | COPPER ALLOY STEM |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
| THSD | THREAD SERIES DESIGNATOR | NPT 2ND END |
| Relevant Components for NSN - 4820-00-237-3409, 4820002373409 | ||||
| 4820-01-476-5452 (4820014765452) | 4820-01-641-4245 (4820016414245) | 4820-01-689-9011 (4820016899011) | 4810-01-287-0788 (4810012870788) | |
| 4820-01-287-0685 (4820012870685) | 4820-01-585-4683 (4820015854683) | 4810-01-416-4566 (4810014164566) | 4820-01-442-1683 (4820014421683) | |
| 4810-00-044-2763 (4810000442763) | 4810-01-447-4578 (4810014474578) | 4820-01-308-5330 (4820013085330) | 4820-01-219-4963 (4820012194963) | |
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