You are currently exploring our in-stock options for part number TE20521 with the NSN 4820011782939. This product is listed with the description “Valve Safety Relief” and is manufactured by Naval Air Development Center. 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 TE20521 is listed alongside the NSN 4820-01-178-2939 and belongs to the FSC 4820 Valves Nonpowered. Additionally, it is also under the CAGE Code 80206, which is assigned to Naval Air Development Center. 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 TE20521 seamless.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-01-178-2939 Item PartTypeName: VALVE,SAFETY RELIEF | 4820 | 011782939 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| TE20521 | 2 | 9 | D |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSY | VALVE DISCHARGE FLOW RATE | 1.0 GALLONS PER MINUTE |
| AEHZ | MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | FLARELESS (TUBE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CMLP | THREAD QUANTITY PER INCH | 18 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 20 2ND END |
| CQGM | MAXIMUM OPERATING PRESSURE | 140.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |
| CQRB | SEAT ANGLE | 12.0 DEGREES ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 120.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MEDA | MEDIA FOR WHICH DESIGNED | OIL,HYDRAULIC SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| THSD | THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
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