Rotable Parts Exchange serves as a comprehensive source for military products, aerospace equipment, and Valve Safety Relief items. You have expressed particular interest in part number TE20521, a Naval Air Development Center component we offer that is presented with the NSN 4820-01-178-2939 for straightforward identification and procurement. By completing and submitting the Request for Quote form provided on this page, you can obtain pricing details on this NSN part for your comparisons. Once our staff members receive and review your submitted information, a dedicated account manager will directly contact you with a response within 15 minutes or less.
Note : We Will Not Share Your Information To Any Third Parties.
We strive to streamline the purchasing process and simplify it as much as possible, which includes providing detailed listings for all components to help customers pinpoint their exact needs. For instance, part number TE20521 is manufactured by Naval Air Development Center under the CAGE Code 80206. Additionally, by using the initial digits of the NSN 4820-01-178-2939, you can discover that this component is associated with the FSC 4820 Valves Nonpowered. If you have any specific questions about our database, you may always give us a call or email, as we would be delighted to assist you however we can. Otherwise, we encourage you to secure a quote for part number TE20521 at your earliest convenience.
| 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 |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
Request for Quote
