Low Price Warrantied inventory at competitive prices
Find it fast Search the world's largest inventory of electronic components by manufacturer, category or part number
Get it fast All inventory ready to ship from our sellers
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 DD423-S47-31 from manufacturer Hammel Dahl 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 4820012558891, specific manufacturers like Hammel Dahl 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 |
|---|---|---|---|---|---|---|
| 4820-01-255-8891 Item Description: Valve Safety Relief | 4820 | 012558891 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| Dd423-S47-31 | C | 2 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AECS | BOLT HOLE QUANTITY | 6 ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| CCFG | VALVE SIZE | 2.000 INCHES |
| CSDC | OPENING PRESSURE SETTING | 25.0 POUNDS PER SQUARE INCH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 5.562 INCHES ALL ENDS |
| CWCK | NOMINAL THICKNESS | 0.438 INCHES ALL ENDS |
| CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.750 INCHES |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS |
| CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 4.438 INCHES ALL ENDS |
| CWDF | FLANGE FACE DESIGN | PLAIN ALL ENDS |
| STYL | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
We Hope that You Will Visit Us Again the Next Time You Need NSN Parts and Make Us Your Strategic Purchasing Partner.
Request for Quote
