Thank you for choosing to partner with National Stock Number Shop for the Valve Safety Relief NSN parts you require. On this page, you can submit a quote request for Circor Aerospace Inc part number P491, a component that can also be found by inputting NSN 4820000156231 in our search engine. Apart from this item, we also have an array of other in-demand part numbers, all of which can be traced back to a conglomerate of well-known manufacturers that we trust. Explore our expansive part catalogs by scrolling over to our menu and locate products according to manufacturer, NIIN, NSN, and more.
National Stock Number Shop works with numerous government and defense agencies, so we use CAGE Codes like 91816 to uniquely identify items in a standardized manner. Additionally, we utilize Federal Supply Classes (FSCs) to organize our stock, ensuring customers can find Circor Aerospace Inc parts under the FSC 4820 Valves Nonpowered with ease. With this in mind, we encourage you to complete the RFQ form below for NSN 4820000156231 or any others, and see how we can provide you with a customized sourcing solution. For one-on-one assistance, contact us via phone or email at any time; we are available around the clock for customer inquiries!
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| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-015-6231 Item PartTypeName: VALVE,SAFETY RELIEF | 4820 | 000156231 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| P491 | 2 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | INTEGRAL |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | -54.0 DEG CELSIUS 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 110.0 DEG CELSIUS 2ND RESPONSE |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END |
| CBBL | FEATURES PROVIDED | VALVE STEM LOCK SHIELD |
| CQGM | MAXIMUM OPERATING PRESSURE | 50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE1,CLASS1 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| TEST | TEST DATA DOCUMENT | 18876-10177850 DRAWING (THIS IS THE BASIC GOVERNING DRAWING,SUCH AS A CONTRACTOR DRAWING,ORIGINAL EQUIPMENT MANUFACTURER DRAWING,ETC.; EXCLUDES ANY SPECIFICATION,STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRA |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
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