NSN 4820-00-438-0642 A51H90661, A51H9066-1, 4C22403
Product Details | CHECK VALVE
4820-00-438-0642 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Part Alternates: A51H90661, A51H9066-1, 4C22403, 4C2240-3, 4820-00-438-0642, 00-438-0642, 4820004380642, 004380642
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 00-438-0642 | 05487 ( VALVE, CHECK ) |
Drawings & Photos | NSN 4820-00-438-0642
Demand History | NSN 4820-00-438-0642
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4C22403 | 2021-10-301 | 8 | US |
| 4C22403 | 2021-10-293 | 12 | US |
Cross Reference | NSN 4820-00-438-0642
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 4C2240-3 | 99240 | CRISSAIR, INC. |
| 4C3920 | 99240 | CRISSAIR, INC. |
| A51H9066-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE |
| A51H9066-1 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE |
| A51H9066-3 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE |
| A51H9066-3 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE |
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Related Products | NSN 4820-00-438-0642
Technical Data | NSN 4820-00-438-0642
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 630 BODY STEEL COMP 630 SEAT |
| STYLE DESIGNATOR | A6 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, SILICATE-ESTER BASE SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END THREADED EXTERNAL BOSS 2ND END |
| CONNECTION STYLE | B50 EXTERNAL SEAT FOR GASKET SEAL 1ST END B50 EXTERNAL SEAT FOR GASKET SEAL 2ND END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END 0.250 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | UNC 1ST END UNC 2ND END |
| NOMINAL THREAD SIZE | 0.562 INCHES 1ST END 0.438 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 20 1ST END 24 2ND END |
| THREAD CLASS | 3A 1ST END 3A 2ND END |
| THREAD DIRECTION | RIGHT-HAND 1ST END RIGHT-HAND 2ND END |
| MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| DISK LOADING METHOD | SPRING |
| SPECIAL FEATURES | THE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET |
| MANUFACTURERS CODE | 61174 |
| MFR SOURCE CONTROLLING REFERENCE | A51H9066-1 |
Restrictions/Controls & Freight Information | NSN 4820-00-438-0642
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||