NSN 4820-00-474-1749 168922, 16892-2, 00-474-1749
Product Details | LIFT-CHECK VALVE
4820-00-474-1749 A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first 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. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also VALVE, STOP-CHECK and VALVE, STOP-LIFT-CHECK.
Part Alternates: 168922, 16892-2, 4820-00-474-1749, 00-474-1749, 4820004741749, 004741749
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-474-1749 | 27828 ( VALVE, LIFT-CHECK ) |
Drawings & Photos | NSN 4820-00-474-1749
Cross Reference | NSN 4820-00-474-1749
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 16892-2 | 81982 | HYDRO-AIRE, INC. |
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Technical Data | NSN 4820-00-474-1749
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM BODY STEEL FLOW CONTROL DEVICE ALUMINUM SEAT STEEL STEM |
| SURFACE TREATMENT | ANODIZE |
| STYLE DESIGNATOR | E1 STRAIGHT THRU |
| FLOW CONTROL DEVICE | DISK |
| MAXIMUM OPERATING PRESSURE | 1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 160.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | MANUAL |
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| CONNECTION STYLE | B4 GASKET SEAL ALL ENDS |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS |
| THREAD CLASS | 3B ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | INTEGRAL |
| DISK LOADING METHOD | SPRING |
| MOUNTING FACILITY | THREADED FASTENER |
| FEATURES PROVIDED | VALVE STEM LOCK SHIELD |
| SPECIAL FEATURES | HANDLE TURNS CW 90 DEG FOR OPEN POSITION |
| SUPPLEMENTARY FEATURES | OPTIONAL FLOW CONTROL DEVICE: STEM |
| MANUFACTURERS CODE | 81982 |
| DESIGN CONTROL REFERENCE | 16892-2 |
Restrictions/Controls & Freight Information | NSN 4820-00-474-1749
| 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: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| 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 | P | 77.5 |
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | 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 | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| 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 |
Management | NSN 4820-00-474-1749
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9C | Navy-owned stocks of defense construction material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | S9C | Defense Supply Center Columbus Columbus, OH 43215 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |