NSN 4820-00-973-9871 233, 233 1-1/2IN, 233112IN
Product Details | CHECK VALVE
4820-00-973-9871 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: 233, 233 1-1/2IN, 233112IN, 4820-00-973-9871, 00-973-9871, 4820009739871, 009739871
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1962 | 00-973-9871 | 05487 ( VALVE, CHECK ) |
Drawings & Photos | NSN 4820-00-973-9871
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Technical Data | NSN 4820-00-973-9871
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY COPPER ALLOY SEAT |
| STYLE DESIGNATOR | A2 STRAIGHT THRU |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSE WATER-OIL-GAS 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH 1ST RESPONSE 300.0 POUNDS PER SQUARE INCH 2ND RESPONSE |
| VALVE OPERATION METHOD | MANUAL |
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| CONNECTION STYLE | B9 PLAIN 1ST END |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | NPT 1ST END |
| NOMINAL THREAD SIZE | 1.500 INCHES 1ST END |
| THREAD QUANTITY PER INCH | 11-1/2 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| MOUNTING POSITION | VERTICAL |
| DISK LOADING METHOD | SPRING |
Restrictions/Controls & Freight Information | NSN 4820-00-973-9871
| 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 | ||