We appreciate your interest in Dresser Industries Inc part number 1990T-1 21 35-50PSI, which is currently ready for procurement here on Prompt Aerospace. For your reference, part number 1990T-1 21 35-50PSI is listed with the NSN 4820-00-287-3139 and description “Valve Safety Relief.” If this is the item you are seeking and you would like to request a quote for your comparisons, simply complete the form below with information like your desired quantity, budget, and anticipated fulfillment timeframe. We regularly respond to requests within 15 minutes of receiving them, using the details we are offered to curate the most ideal purchasing options.
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If you want to explore other items produced by Dresser Industries Inc under the CAGE Code 16497 or that similarly fall under the FSC 4820 Valves Nonpowered, keep in mind that since we list everything with relevant information, you can easily locate related part numbers using our search engine or catalogs. We also excel at tracking down parts with long lead times or that are generally hard to find, meaning that we can serve you even if you do not see exactly what you need on our website. With all of this being said, we are ready to help you source any of the NSN 4820-00-287-3139 parts and Valve Safety Relief items your operations require, so request a quote today.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-287-3139 Item PartTypeName: VALVE,SAFETY RELIEF | 4820 | 002873139 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 1990T-1/2X1-36-50PSI | 2 | 9 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 2ND END |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES 1ST END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 93.0 POUNDS PER HOUR |
| AEHZ | MAXIMUM OPERATING TEMP | 800.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AEQJ | MINIMUM OPERATING TEMP | 401.0 DEG FAHRENHEIT |
| AHNC | CONNECTION STYLE | SOCKET ERR-100 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CQCY | ADJUSTABLE PRESSURE RANGE | 33.0 TO 55.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 2000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CSDC | OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH |
| FEAT | SPECIAL FEATURES | W/LIFTING LEVER AND INCONEL SPRING |
| MATT | MATERIAL | STEEL COMP 316 BODY |
| MATT | MATERIAL | STEEL COMP 316 FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL COMP 410 STEM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A276 COND T ASSN STD SINGLE MATERIAL RESPONSE STEM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A-1 TYPE AND C CLASS |
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