You are currently exploring our in-stock options for part number 1990 with the NSN 4820002873139. This product is listed with the description “Valve Safety Relief” and is manufactured by Dresser Industries Inc. If you are looking to purchase this part, we encourage you to complete and submit the RFQ form below with as much information as you can provide, such as your desired quantity, budget, shipping time frame, and more. Within 15 minutes of receiving and reviewing your submission, one of our experts will reach out with a quote that is tailored to your needs.
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We supply all relevant information alongside the listings on our website, that way you know you are always getting the exact item you require. For example, part number 1990 is listed alongside the NSN 4820-00-287-3139 and belongs to the FSC 4820 Valves Nonpowered. Additionally, it is also under the CAGE Code 16497, which is assigned to Dresser Industries Inc. At Aerospace Procurement, you can trust that each product in our inventory is up to industry standards, as we are committed to various quality assurance practices. For example, we uphold a strict NO CHINA SOURCING pledge to ensure that each part is shipped out alongside its manufacturer trace documentation and qualifying certifications. These practices and more allow us to operate with AS9120B, ISO 9001:2015, and FAA AC 00-56B accreditation. Get in contact with us today to see how we can make the procurement process for part number 1990 seamless.
| 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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