We appreciate your interest in our selection of parts that fall under the NSN 4820-00-814-1958. Below, top-requested part numbers like 1970C, and others are presented alongside their manufacturer for your perusal. In order to receive pricing options on any featured NSN 4820-00-814-1958, simply click on the “RFQ” button next to it and complete the quote request form you are directed to. Be sure to include as many details as you can about your requirements and restrictions alike so our team can best formulate ideal fulfillment options for your consideration.
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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) | 00-814-1958 (008141958) |
| NCB Code | USA (00) |
| Manufacturer | Dresser Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES 2ND END |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 90.0 GALLONS PER MINUTE |
| AEHZ | MAXIMUM OPERATING TEMP | 400.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 11-1/2 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 11-1/2 2ND END |
| CQJX | NOMINAL THREAD SIZE | 1.000 INCHES 2ND END |
| CQJX | NOMINAL THREAD SIZE | 1.500 INCHES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 350.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE AND AISI 304/SAE 30304 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE SEAT AND AISI 304/SAE 30304 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| STYL | STYLE DESIGNATOR | ANGLE |
| THSD | THREAD SERIES DESIGNATOR | NPT 2ND END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADSR | BONNET TYPE | INSIDE SPRING |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 2ND END |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CQGM | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE BODY AND AISI 304/SAE 30304 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE STEM AND AISI 414/SAE 51414 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
| Relevant Components for NSN - 4820-00-814-1958, 4820008141958 | ||||
| 4820-01-220-8826 (4820012208826) | 4810-01-161-4628 (4810011614628) | 4820-01-214-1260 (4820012141260) | 4810-00-476-7253 (4810004767253) | |
| 4820-01-478-0788 (4820014780788) | 4820-00-518-1172 (4820005181172) | 4820-01-541-4102 (4820015414102) | 4820-00-036-1740 (4820000361740) | |
| 4810-00-913-6479 (4810009136479) | 4810-01-228-4927 (4810012284927) | 4820-00-058-7971 (4820000587971) | 4810-01-350-1657 (4810013501657) | |
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