NSN 4820-01-181-8663 1672E1A1, 1672E1F1, 01-181-8663
Product Details | SYSTEM PRESSURE REGULATING VALVE
4820-01-181-8663 A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes VALVE, REGULATING, FLUID PRESSURE and VALVE, CALIBRATED FLOW.
Part Alternates: 1672E1A1, 1672E1F1, 4820-01-181-8663, 01-181-8663, 4820011818663, 011818663
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 16 JUN 1984 | 01-181-8663 | 35896 ( VALVE, REGULATING, SYSTEM PRESSURE ) |
Demand History | NSN 4820-01-181-8663
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 1672E1A1 | 2019-07-210 | 2 | US |
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Technical Data | NSN 4820-01-181-8663
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | ALUMINUM |
| FLOW CONTROL DEVICE | DIAPHRAGM |
| FLOW CONTROL DEVICE MATERIAL | STEEL, CORROSION RESISTING |
| END CONNECTION QUANTITY | 2 |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| MEDIA FOR WHICH DESIGNED | ANY ACCEPTABLE |
| REGULATION TYPE | AUTOMATIC DOUBLE STAGE |
| VALVE LOADING METHOD | SPRING |
| MAXIMUM INLET PRESSURE RATING | NOT RATED |
| FILTER | NOT INCLUDED |
Restrictions/Controls & Freight Information | NSN 4820-01-181-8663
| 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. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 127200 | PRESSURE REDCNG WATER RELIEF VALVE |
| Less than car load rating | ||
| Less than truck load rating | M | 85.0 |
| 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 4820-01-181-8663
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of 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 | X | SEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |