NSN 4820-01-171-9440 50397, 9R3224, 01-171-9440
Product Details | RESTRICTOR CHECK VALVE
4820-01-171-9440 A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a VALVE, CHECK with the exception of the orifice which permits fluid flow in more than one direction.
Part Alternates: 50397, 9R3224, 4820-01-171-9440, 01-171-9440, 4820011719440, 011719440
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 15 FEB 1984 | 01-171-9440 | 20520 ( VALVE, RESTRICTOR CHECK ) |
Drawings & Photos | NSN 4820-01-171-9440
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Related Products | NSN 4820-01-171-9440
Technical Data | NSN 4820-01-171-9440
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 630 BODY STEEL COMP 440C FLOW CONTROL DEVICE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE BODY QQ-S-763 CL 440C FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| STYLE DESIGNATOR | E1 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| 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 ALL ENDS |
| CONNECTION STYLE | B50 EXTERNAL SEAT FOR GASKET SEAL ALL ENDS |
| THREAD SERIES DESIGNATOR | UNJ ALL ENDS |
| NOMINAL THREAD SIZE | 1.0625 INCHES ALL ENDS |
| THREAD QUANTITY PER INCH | 12 ALL ENDS |
| THREAD CLASS | 3A ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| MOUNTING POSITION | HORIZONTAL |
| SPECIAL FEATURES | HYDRAULIC FLUID MEDIA |
| (NON-CORE DATA) VALVE DISCHARGE FLOW RATE | 24.0 GALLONS PER MINUTE |
Restrictions/Controls & Freight Information | NSN 4820-01-171-9440
| 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 |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||