| Alternative NSN: 4820-00-821-9001 |
| Item Name: Valve Safety Relief |
| FSG: 48 Valves |
| Federal Supply Class (FSC): 4820 Valves Nonpowered |
| NIIN: 008219001 |
| NCB Code: USA (00) |
| Manufacturers: Ashcroft Inc |
Browse NSN parts of NSN 4820-00-821-9001 and get lowest price for your requested parts in 15 minutes. Just ordered part of NSN 4820-00-821-9001 like 1664 described as Valve Safety Relief from industry leading manufactures such as Ashcroft Inc. We are proud to offer an inventory of over 2 billion ready-to-ship parts, 24/7 availability, and key locations in the U.S./abroad. These attributes allow us to meet all aircraft on ground (AOG) requirements with ease.
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 33.0 CUBIC FEET PER MINUTE |
| AEHZ | MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT 2ND RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CMLP | THREAD QUANTITY PER INCH | 18 1ST END |
| CQGM | MAXIMUM OPERATING PRESSURE | 275.0 POUNDS PER SQUARE INCH 1ST RESPONSE |
| CQGM | MAXIMUM OPERATING PRESSURE | 275.0 POUNDS PER SQUARE INCH 2ND RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 30.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | COPPER ALLOY SEAT |
| MATT | MATERIAL | COPPER ALLOY STEM |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | GAS, INERT 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY VALVE SIZE AND SET PRESSURE |
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4810-00-001-9630 (4810000019630) |
4810-00-001-9655 (4810000019655) |
4810-00-001-9664 (4810000019664) |
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4810-00-003-0126 (4810000030126) |
4810-00-003-0156 (4810000030156) |
4810-00-003-1950 (4810000031950) |
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4810-00-003-2804 (4810000032804) |
4810-00-003-2805 (4810000032805) |
4810-00-003-4195 (4810000034195) |
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4810-00-003-4369 (4810000034369) |
4810-00-003-5237 (4810000035237) |
4810-00-003-6262 (4810000036262) |
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