NSN 4820-00-125-3073 4938D12, 493-8D1-2, 918624
Product Details | CHECK VALVE
4820-00-125-3073 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: 4938D12, 493-8D1-2, 918624, 9-1862-4, 4820-00-125-3073, 00-125-3073, 4820001253073, 001253073
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 22 NOV 1968 | 00-125-3073 | 05487 ( VALVE, CHECK ) |
Demand History | NSN 4820-00-125-3073
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4820-00-125-3073 | 2024-08-220 | 37 | GU |
| 493-8D1-2 | 2016-02-60 | 173 | |
| 4820-00-125-3073 | 2014-07-191 | 20 | United States |
| 4820-00-125-3073 | 2014-05-150 | 20 | US |
| 493-8D1-2 | 2013-02-46 | 108 | |
| 4820-00-125-3073 | 2012-03-83 | 40 | US |
| 493-8D1-2 | 2012-03-74 | 40 |
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Related Products | NSN 4820-00-125-3073
Technical Data | NSN 4820-00-125-3073
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY BODY STEEL COMP 304 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND STEEL COMP 303 FLOW CONTROL DEVICE ALUMINUM ALLOY SEAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI 304/SAE 30304 ASSN STD 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE |
| SURFACE TREATMENT | ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | A3 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END THREADED INTERNAL BOSS 2ND END |
| CONNECTION STYLE | B4 GASKET SEAL 1ST END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | UNJF 1ST END |
| NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |
| THREAD CLASS | 3B 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| DISK LOADING METHOD | SPRING |
| SPECIAL FEATURES | 2.0 PSI VALVE OPENING PRESSURE |
Restrictions/Controls & Freight Information | NSN 4820-00-125-3073
| 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 |
|---|---|---|
| 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 | AX | Defense Supply Center Columbus Columbus, OH 43216-5000 |
| 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 4820-00-125-3073
| 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 | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |



