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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) | 00-774-9538 (007749538) |
| NCB Code | USA (00) |
| Manufacturer | Military Specifications, Anderson Greenwood Lp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.375 INCHES 1ST END |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| ADSU | DISK LOADING METHOD | SPRING |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| AHNC | CONNECTION STYLE | SOCKET WITH BRAZING RING ALL ENDS |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CQCY | ADJUSTABLE PRESSURE RANGE | 1501.0 TO 2000.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 4000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| FEAT | SPECIAL FEATURES | AS MODIFIED BY PAC AAJJ |
| MATT | MATERIAL | COPPER ALLOY 922 BODY |
| MATT | MATERIAL | STEEL COMP 303 SEAT |
| MATT | MATERIAL | STEEL COMP 303 STEM |
| MATT | MATERIAL | STEEL UNS J92650 FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-853,CLASS 7,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE STEM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-867,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D FED SPEC SINGLE MATERIAL RESPONSE BODY |
| STYL | STYLE DESIGNATOR | ANGLE |
| TMQY | FURNISHED ITEMS AND QUANTITY | 2 NUT AND 1 WRENCH |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A1 TYPE AND C CLASS |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 1.125 INCHES 2ND END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | EXPOSED SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-853,CLASS 7,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| Relevant Components for NSN - 4820-00-774-9538, 4820007749538 | ||||
| 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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