ASAP Aviation Procurement is pleased to announce that part number P-639A of NSN 4820-00-394-7427 is now available and in stock. We can get you one of the fastest and most competitive quotes on this part. Part number P-639A is a Seat Valve manufactured by Atlas Valve Co under CAGE Code 70667. Simply fill out the Request for Quote (RFQ) form provided here to get started on your quote. In order to make sure that we get you your quote in a timely manner, please take the time to make sure that all fields are completely filled out, particularly the asterisk-marked (*) fields like Parts Needed By and Quantity (ea).
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-394-7427 Item PartTypeName: SEAT,VALVE | 4820 | 003947427 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| P-639A | 2 | 9 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A SINGLE THREADED PORTION |
| AASA | THREAD LENGTH | 0.562 INCHES NOMINAL SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 5.125 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.250 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.562 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 14 SINGLE THREADED PORTION |
| CQJX | NOMINAL THREAD SIZE | 4.625 INCHES SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| CQKW | BODY STEPPED INSIDE DIAMETER | 4.000 INCHES NOMINAL FIRST STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 4.125 INCHES NOMINAL SECOND STEP |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| THSD | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
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AS9120B and ISO 9001:2015 |
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Aviation Suppliers Association Member |
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FAA AC 0056B Accredited |
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AS 6081:2012 Certification |
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ESD S20.20-2014 Certification |
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