NSN 4820-00-451-0256 00-451-0256, 004510256
Product Details | CHECK VALVE
4820-00-451-0256 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: 4820-00-451-0256, 00-451-0256, 4820004510256, 004510256
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 00-451-0256 | 05487 ( VALVE, CHECK ) |
Drawings & Photos | NSN 4820-00-451-0256
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Technical Data | NSN 4820-00-451-0256
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE |
| STYLE DESIGNATOR | A6 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE 1ST RESPONSE HYDRAULIC FLUID, SILICATE-ESTER BASE 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 1000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END |
| CONNECTION STYLE | B45 FLARELESS 1ST END B45 FLARELESS 2ND END |
| SEAT ANGLE | 12.0 DEGREES 1ST END 12.0 DEGREES 2ND END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.000 INCHES 1ST END 0.750 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | UN 1ST END UN 2ND END |
| NOMINAL THREAD SIZE | 1.312 INCHES 1ST END 1.062 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 12 1ST END 12 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 |
| MANUFACTURERS CODE | 99240 |
| DESIGN CONTROL REFERENCE | 2C9440 |
Restrictions/Controls & Freight Information | NSN 4820-00-451-0256
| 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 | ||