NSN 4820-00-922-8425 SS8451889587ASSYE, SS845-1889587ASSYE, SS8451889587ASSYEL1
Product Details | STOP-CHECK VALVE
4820-00-922-8425 A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also VALVE (1), LIFT-CHECK and VALVE (1), STOP-LIFT-CHECK.20248100015Valves, Powered48200018Valves, Nonpowered
Part Alternates: SS8451889587ASSYE, SS845-1889587ASSYE, SS8451889587ASSYEL1, SS845-1889587ASSYEL1, 4820-00-922-8425, 00-922-8425, 4820009228425, 009228425
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 25-MAR-66 | 00-922-8425 | 05486 ( VALVE, STOP-CHECK ) |
Drawings & Photos | NSN 4820-00-922-8425
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Technical Data | NSN 4820-00-922-8425
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY 922 BODY NICKEL ALLOY 400 OR NICKEL ALLOY R-405 STEM |
| STYLE DESIGNATOR | E1 STRAIGHT THRU |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | MANUAL |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE 1ST END |
| CONNECTION STYLE | B30B SOCKET W/BRAZING RING 1ST END |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END |
| MOUNTING POSITION | HORIZONTAL |
| RENEWABLE SEAT RING TYPE | THREADED |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | UNION |
| FEATURES PROVIDED | BONNET PACKING |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| MANUFACTURERS CODE | 80064 |
| DESIGN CONTROL REFERENCE | SS845-1889587ASSYE |
Restrictions/Controls & Freight Information | NSN 4820-00-922-8425
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | S | The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. |
| 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 |
|---|---|---|
| No Freight Information | ||