We appreciate your interest in part number 1990T-1 21 35-50PSI, which is currently available for purchase here on Jet Force Aero. For your reference, this item is produced by Dresser Industries Inc and is listed with the NSN 4820-00-287-3139, as well as the description “Valve Safety Relief.” If this matches your requirements, we encourage you to fill out the Request for Quote (RFQ) form featured on this page to receive tailored purchasing options on part number 1990T-1 21 35-50PSI. All that we ask is that you submit as many details about your procurement needs as possible, such as your desired quantity, budget, and anticipated fulfillment timeframe, as this will enable our specialists to craft an ideal response for you.
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In addition to part number 1990T-1 21 35-50PSI, be sure to explore our website further for related items produced by Dresser Industries Inc under the CAGE Code 16497 as you wish. We also feature catalogs to help you find additional options that are categorized under FSC 4820 Valves Nonpowered and the NSN 4820-00-287-3139. Regardless of which NSN parts you need from us, rest assured that we will always treat you to affordable solutions where you never have to sacrifice quality or prompt fulfillment. We are ready to assist you with all your sourcing needs, so kick off quotation at your convenience.
| 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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