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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 Check MODEL 504 4IN from manufacturer Apco Valve And Primer Corp 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 4820012803944, specific manufacturers like Apco Valve And Primer Corp, 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 |
|---|---|---|---|---|---|---|
| 4820-01-280-3944 Item Description: Valve Check | 4820 | 012803944 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| Model 504 4in | 5 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | WEIGHT |
| AECS | BOLT HOLE QUANTITY | 8 ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CCFG | VALVE SIZE | 4.000 INCHES |
| CWCD | NOMINAL OUTSIDE DIAMETER | 9.000 INCHES ALL ENDS |
| CWCF | FACE TO FACE DISTANCE | 11.500 INCHES |
| CWCK | NOMINAL THICKNESS | 0.938 INCHES ALL ENDS |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES ALL ENDS |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 7.500 INCHES ALL ENDS |
| CWDF | FLANGE FACE DESIGN | PLAIN ALL ENDS |
| FEAT | SPECIAL FEATURES | SWING CHECK TYPE |
| MATT | MATERIAL | RUBBER FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL BODY |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
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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