NSN 4820-00-857-8247 P6300, P6-300, 668455
Product Details | CHECK VALVE
4820-00-857-8247 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: P6300, P6-300, 668455, 6684551, 668455-1, 4820-00-857-8247, 00-857-8247, 4820008578247, 008578247
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1962 | 00-857-8247 | 05487 ( VALVE, CHECK ) |
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Related Products | NSN 4820-00-857-8247
Technical Data | NSN 4820-00-857-8247
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 BODY ALUMINUM ALLOY SEAT |
| SURFACE TREATMENT | ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | A3 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| CONNECTION STYLE | B42 FLARED 1ST END |
| SEAT ANGLE | 37.0 DEGREES 1ST END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | UNF 1ST END |
| NOMINAL THREAD SIZE | 0.438 INCHES 1ST END |
| THREAD QUANTITY PER INCH | 20 1ST END |
| THREAD CLASS | 3A 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| MOUNTING POSITION | HORIZONTAL |
| DISK LOADING METHOD | SPRING |
| TEST DATA DOCUMENT | 36659-668455 DRAWING |
Restrictions/Controls & Freight Information | NSN 4820-00-857-8247
| 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. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| NMF Description | 127220 | PRESSURE REG/RED/RELIEF VALVES NOI |
| Less than car load rating | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 576 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | Z | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |



