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Quality guaranteed We sell only warrantied and traceable partsPurchasing Sphere, owned and operated by ASAP Semiconductor, is an all-inclusive purchasing platform for hard-to-find and in-demand parts 2021 and components pertaining to the civil aviation, defense, aerospace, industrial, and electronic markets. 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. As such, we have an inventory of more than two billion new and obsolete parts, among which is a vast and diverse array of 2021 parts and much more. This includes items such as Seat Valve 2021 from manufacturer Meggitt Aircraft Braking Systems 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 Purchasing Sphere.
Our website offers a number of parametric search capabilities, one of which allows you to search specifically for 2021 parts. This means you can quickly sort through National Stock Numbers such as 4820004390355 and find parts from quality manufacturers like Meggitt Aircraft Braking Systems and many others. To begin the purchasing process immediately, submit an RFQ today. Our team of dedicated account managers is standing by and will respond to all inquiries in 15 minutes or less.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-439-0355 Item Description: SEAT,VALVE | 4820 | 004390355 | N | |||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 2021 | 6 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADAR | BODY OUTSIDE DIAMETER | 0.495 INCHES MINIMUM AND 0.497 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| SR-5 | MANUFACTURERS CODE | 79318 |
| SR-5 | THE MANUFACTURERS DATA | |
| AJSG | SEAT ANGLE IN DEG | 30.000 NOMINAL |
| AJSH | SEAL ACCOMMODATION TYPE | GROOVED |
| MATT | MATERIAL | STEEL COMP 416 OVERALL |
| SR-5 | DESIGN CONTROL REFERENCE | 2021 |
| STYL | STYLE DESIGNATOR | PLAIN |
| ABKW | OVERALL HEIGHT | 0.252 INCHES MINIMUM AND 0.258 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
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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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