NSN 4820-01-566-4191 E3829 4IN 9-15PSI 150LB, E38294IN915PSI150LB, YB2385M682
Product Details | SAFETY RELIEF VALVE
4820-01-566-4191 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Part Alternates: E3829 4IN 9-15PSI 150LB, E38294IN915PSI150LB, YB2385M682, 4820-01-566-4191, 01-566-4191, 4820015664191, 015664191
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 02 SEP 2008 | 01-566-4191 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-566-4191
Demand History | NSN 4820-01-566-4191
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| E3829 4IN 9-15PSI 150LB | 2025-10-279 | 2 | DIBBS |
| YB2385M682 | 2025-10-279 | 2 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2025-09-272 | 1 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2025-09-272 | 1 | DIBBS |
| YB2385M682 | 2025-09-272 | 1 | DIBBS |
| YB2385M682 | 2025-09-272 | 1 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2025-08-217 | 9 | DIBBS |
| YB2385M682 | 2025-08-217 | 9 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2025-06-161 | 2 | DIBBS |
| YB2385M682 | 2025-06-161 | 2 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2024-01-23 | 1 | DIBBS |
| YB2385M682 | 2024-01-23 | 1 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2023-11-316 | 7 | DIBBS |
| YB2385M682 | 2023-11-316 | 7 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2023-07-194 | 1 | DIBBS |
| YB2385M682 | 2023-07-194 | 1 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2022-12-353 | 6 | DIBBS |
| YB2385M682 | 2022-12-353 | 6 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2022-07-209 | 6 | DIBBS |
| YB2385M682 | 2022-07-209 | 6 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2022-07-188 | 1 | DIBBS |
| YB2385M682 | 2022-07-188 | 1 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2022-05-132 | 2 | DIBBS |
| YB2385M682 | 2022-05-132 | 2 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2022-04-102 | 2 | DIBBS |
| YB2385M682 | 2022-04-102 | 2 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2022-04-97 | 1 | DIBBS |
| YB2385M682 | 2022-04-97 | 1 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2022-03-79 | 1 | DIBBS |
| YB2385M682 | 2022-03-79 | 1 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2021-11-319 | 1 | DIBBS |
| YB2385M682 | 2021-11-319 | 1 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2021-07-199 | 1 | DIBBS |
| YB2385M682 | 2021-07-199 | 1 | DIBBS |
| E3829 4IN 9-15PSI 150LB | 2019-11-317 | 4 | DIBBS |
| YB2385M682 | 2019-11-317 | 4 | DIBBS |
| 4820-01-566-4191 | 2018-08-214 | 1 | DIBBS |
| 4820-01-566-4191 | 2018-06-168 | 3 | DIBBS |
| 4820-01-566-4191 | 2018-06-158 | 1 | DIBBS |
| 4820-01-566-4191 | 2018-02-46 | 1 | DIBBS |
| 4820-01-566-4191 | 2017-07-192 | 2 | DIBBS |
| 4820-01-566-4191 | 2017-07-183 | 1 | DIBBS |
| 4820-01-566-4191 | 2017-05-149 | 1 | DIBBS |
| 4820-01-566-4191 | 2016-06-174 | 1 | DIBBS |
| 4820-01-566-4191 | 2015-12-341 | 1 | DIBBS |
| 4820-01-566-4191 | 2015-09-246 | 1 | DIBBS |
| 4820-01-566-4191 | 2015-06-173 | 1 | DIBBS |
| 4820-01-566-4191 | 2015-06-161 | 1 | DIBBS |
| 4820-01-566-4191 | 2014-05-136 | 2 | DIBBS |
| 4820-01-566-4191 | 2014-05-136 | 2 | DIBBS |
| 4820-01-566-4191 | 2014-04-120 | 2 | DIBBS |
| 4820-01-566-4191 | 2014-04-107 | 2 | DIBBS |
| 4820-01-566-4191 | 2014-03-72 | 1 | DIBBS |
| 4820-01-566-4191 | 2013-09-255 | 1 | DIBBS |
| 4820-01-566-4191 | 2013-08-220 | 1 | DIBBS |
| 4820-01-566-4191 | 2013-07-195 | 1 | DIBBS |
| 4820-01-566-4191 | 2011-09-265 | 1 | DIBBS |
| 4820-01-566-4191 | 2009-01-11 | 1 | DIBBS |
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Related Products | NSN 4820-01-566-4191
Technical Data | NSN 4820-01-566-4191
| Characteristic | Specifications |
|---|---|
| MATERIAL | BRONZE BODY RUBBER FLOW CONTROL DEVICE NICKEL ALLOY SEAT NICKEL ALLOY STEM |
| STYLE DESIGNATOR | C1A ANGLE FLANGED ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 5.688 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 5.688 INCHES |
| VALVE SIZE | 4.000 INCHES |
| MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 180.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| CONNECTION TYPE | FLANGE ALL ENDS |
| FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| NOMINAL OUTSIDE DIAMETER | 9.000 INCHES ALL ENDS |
| NOMINAL THICKNESS | 1.062 INCHES ALL ENDS |
| BOLT HOLE QUANTITY | 8 ALL ENDS |
| BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS |
| BOLT CIRCLE NOMINAL DIAMETER | 7.500 INCHES ALL ENDS |
| FLANGE FACE DESIGN | PLAIN ALL ENDS |
| OPENING PRESSURE SETTING | 11.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 9.0 TO 15.0 POUNDS PER SQUARE INCH |
| FURNISHED ITEMS AND QUANTITY | 1 LEVER |
| III END ITEM IDENTIFICATION | NEW CONSTRUCTION DDG73 |
Restrictions/Controls & Freight Information | NSN 4820-01-566-4191
| 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: | 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 | ||
| Less than truck load rating | P | 77.5 |
| 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 4820-01-566-4191
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 |
| Reparability | D | Field Level Reparables |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |