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Quality guaranteed We sell only warrantied and traceable partsASAP NSN Distribution, owned and operated by ASAP Semiconductor, is an all-inclusive purchasing platform for hard-to-find and in-demand parts and components pertaining to the civil aviation, defense, aerospace, industrial, and IT hardware markets. As such, we have an inventory in excess of two billion new and obsolete parts, among which is an impressive selection of NSN parts and much more. This includes items such as Valve Safety Relief 21247-12 from manufacturer Essex Industries Inc and many more, all of which are available with short lead times and competitive prices. For NSN parts, you won’t find a more inclusive source than ASAP NSN Distribution.
An NSN is a 13-digit numeric code that serves to identify 'standardized material items of supply' as they have been recognized by all NATO countries and the United States Department of Defense. ASAP NSN Distribution is an AS9120B, ISO 9001:2015, and FAA AC 0056B accredited business, as well as the only independent distributor with a strict no China sourcing pledge, ensuring the quality of every NSN part we sell. Furthermore, the parametric search capabilities of our site allow users to search for parts from specific NSNs like 4820004940755, specific manufacturers like Essex Industries Inc, and a broad range of other filters. To begin the purchasing process immediately, submit an RFQ today.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-494-0755 Item Description: Valve Safety Relief | 4820 | 004940755 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 21247-12 | 2 | 1 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.125 INCHES 1ST END |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.125 INCHES 2ND END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 100.0 LITERS PER MINUTE |
| AEHZ | MAXIMUM OPERATING TEMP | 260.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 2ND END |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CMLP | THREAD QUANTITY PER INCH | 27 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 27 2ND END |
| CQGM | MAXIMUM OPERATING PRESSURE | 140.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.125 INCHES 1ST END |
| CQJX | NOMINAL THREAD SIZE | 0.125 INCHES 2ND END |
| CRTL | CRITICALITY CODE JUSTIFICATION | CQGM |
| MATT | MATERIAL | ALUMINUM ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-V-9050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | OXYGEN, LIQUID 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| TEST | TEST DATA DOCUMENT | 81349-MIL-V-9050 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTIN |
| THSD | THREAD SERIES DESIGNATOR | ANPT 1ST END |
| THSD | THREAD SERIES DESIGNATOR | ANPT 2ND END |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 5 TYPE |
We Hope that You Will Visit Us Again the Next Time You Need NSN Parts and Make Us Your Strategic Purchasing Partner.
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