NSN 4820-01-544-1839 4384536, 803438453662A1AF, 803-4384536-62A1AF
Product Details | STOP-CHECK VALVE
4820-01-544-1839 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: 4384536, 803438453662A1AF, 803-4384536-62A1AF, 4820-01-544-1839, 01-544-1839, 4820015441839, 015441839
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 04 OCT 2006 | 01-544-1839 | 05486 ( VALVE, STOP-CHECK ) |
Drawings & Photos | NSN 4820-01-544-1839
Demand History | NSN 4820-01-544-1839
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4820-01-544-1839 | 2026-01-05 | 9 | DIBBS |
| 4820-01-544-1839 | 2023-11-331 | 9 | DIBBS |
| 4820-01-544-1839 | 2023-11-320 | 9 | DIBBS |
| 4820-01-544-1839 | 2023-09-254 | 2 | DIBBS |
| 4820-01-544-1839 | 2023-08-228 | 1 | DIBBS |
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Technical Data | NSN 4820-01-544-1839
| Characteristic | Specifications |
|---|---|
| MATERIAL | NICKEL ALLOY STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| STYLE DESIGNATOR | A2 STRAIGHT THRU |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | B21A STREAMLINED W/ONE BRAZING RING ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.250 INCHES ALL ENDS |
| MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | THREADED |
| FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL AND 2 TAILPIECE AND 2 NUT |
| SPECIAL FEATURES | BONNET O-RING OF NITRILE; APPLICATION: JP5; SHOCK AND VIBRATION REQUIREMENTS; END CONNECTIONS IAW NAVSEA DRAAWING 803-7063850 |
| END ITEM IDENTIFICATION | NEW CONSTRUCTION LCS1 |
Restrictions/Controls & Freight Information | NSN 4820-01-544-1839
| 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 | 051080 | FAUCETS,BIBCOCKS,GATES VALVES |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | HD | Naval Inventory Control Point Mechanicsburg, PA 17055-0788 |
| 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 | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 4820-01-544-1839
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 3B | Navy-owned stocks of field level repairable DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |