NSN 4820-01-020-4709 SERIES125, K3025, 1030150
Product Details | SAFETY RELIEF VALVE
4820-01-020-4709 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: SERIES125, K3025, 1030150, 10-301-50, 10301CHR0ME55P, 10-301CHR0ME55P, 10301CHROME55PSI, 10-301CHROME55PSI, 10322P55, 10-322-P55 , 125-3/4-55-STEAM , 1253455STEAM, 440173, 4820-01-020-4709, 01-020-4709, 4820010204709, 010204709
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 30 APR 1976 | 01-020-4709 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-020-4709
Demand History | NSN 4820-01-020-4709
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 10-322-P55 | 2025-08-219 | 107 | DIBBS |
| 440173 | 2025-08-219 | 107 | DIBBS |
| AQV125BA1MIL1 | 2025-08-219 | 107 | DIBBS |
| 10-322-P55 | 2024-05-123 | 150 | DIBBS |
| 440173 | 2024-05-123 | 150 | DIBBS |
| AQV125BA1MIL1 | 2024-05-123 | 150 | DIBBS |
| 10-322-P55 | 2023-06-152 | 171 | DIBBS |
| 440173 | 2023-06-152 | 171 | DIBBS |
| AQV125BA1MIL1 | 2023-06-152 | 171 | DIBBS |
| 10-322-P55 | 2022-11-332 | 220 | DIBBS |
| 125-3/4-55-STEAM | 2022-11-332 | 220 | DIBBS |
| 440173 | 2022-11-332 | 220 | DIBBS |
| 10-322-P55 | 2022-11-321 | 220 | DIBBS |
| 125-3/4-55-STEAM | 2022-11-321 | 220 | DIBBS |
| 440173 | 2022-11-321 | 220 | DIBBS |
| 10-322-P55 | 2022-03-76 | 262 | DIBBS |
| 125-3/4-55-STEAM | 2022-03-76 | 262 | DIBBS |
| 440173 | 2022-03-76 | 262 | DIBBS |
| 10-322-P55 | 2020-03-72 | 258 | DIBBS |
| 125-3/4-55-STEAM | 2020-03-72 | 258 | DIBBS |
| 440173 | 2020-03-72 | 258 | DIBBS |
| 10-322-P55 | 2020-03-68 | 510 | DIBBS |
| 125-3/4-55-STEAM | 2020-03-68 | 510 | DIBBS |
| 440173 | 2020-03-68 | 510 | DIBBS |
| 10-322-P55 | 2019-10-283 | 209 | DIBBS |
| 125-3/4-55-STEAM | 2019-10-283 | 209 | DIBBS |
| 440173 | 2019-10-283 | 209 | DIBBS |
| 10-322-P55 | 2019-03-80 | 239 | DIBBS |
| 125-3/4-55-STEAM | 2019-03-80 | 239 | DIBBS |
| 440173 | 2019-03-80 | 239 | DIBBS |
| 4820-01-020-4709 | 2018-12-339 | 154 | DIBBS |
| 4820-01-020-4709 | 2017-10-282 | 246 | DIBBS |
| 4820-01-020-4709 | 2017-06-158 | 63 | DIBBS |
| 4820-01-020-4709 | 2016-10-284 | 216 | DIBBS |
| 4820-01-020-4709 | 2016-05-125 | 149 | DIBBS |
| 4820-01-020-4709 | 2016-02-49 | 125 | DIBBS |
| 4820-01-020-4709 | 2014-03-65 | 339 | DIBBS |
| 4820-01-020-4709 | 2014-01-30 | 281 | DIBBS |
| 4820-01-020-4709 | 2013-12-356 | 111 | DIBBS |
| 4820-01-020-4709 | 2013-06-174 | 253 | DIBBS |
| 4820-01-020-4709 | 2013-04-95 | 265 | DIBBS |
| 4820-01-020-4709 | 2013-02-52 | 197 | DIBBS |
| 4820-01-020-4709 | 2012-10-299 | 143 | DIBBS |
| 4820-01-020-4709 | 2012-09-249 | 197 | DIBBS |
| 4820-01-020-4709 | 2012-06-181 | 103 | DIBBS |
| 4820-01-020-4709 | 2012-02-33 | 263 | DIBBS |
| 4820-01-020-4709 | 2011-08-218 | 0 | DIBBS |
| 4820-01-020-4709 | 2010-12-340 | 173 | DIBBS |
| 4820-01-020-4709 | 2010-10-302 | 173 | DIBBS |
| 4820-01-020-4709 | 2010-09-266 | 154 | DIBBS |
| 4820-01-020-4709 | 2010-09-250 | 216 | DIBBS |
| 4820-01-020-4709 | 2010-06-162 | 122 | DIBBS |
| 4820-01-020-4709 | 2009-09-244 | 77 | DIBBS |
Cross Reference | NSN 4820-01-020-4709
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10-301-50 | 72219 | CONBRACO INDUSTRIES INC |
| 10-301CHROME55PSI | 72219 | CONBRACO INDUSTRIES INC |
| 10-322-P55 | 72219 | CONBRACO INDUSTRIES INC |
| 125-3/4-55-STEAM | 93641 | AQUATROL INC. DIV AQUATROL INC. |
| 440173 | 35550 | LEGION INDUSTRIES, INC. DBA LEGION |
| SERIES125 | 93641 | AQUATROL INC. DIV AQUATROL INC. |
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Related Products | NSN 4820-01-020-4709
Technical Data | NSN 4820-01-020-4709
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY COPPER ALLOY OR PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE COPPER ALLOY SEAT COPPER ALLOY STEM |
| SURFACE TREATMENT | CHROMIUM |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END THREADED EXTERNAL PIPE 2ND END |
| CONNECTION STYLE | G9 PLAIN 1ST END G46B PLAIN 2ND END |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES 1ST END 0.750 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | NPT 1ST END NPT 2ND END |
| NOMINAL THREAD SIZE | 0.750 INCHES 1ST END 0.750 INCHES 2ND END |
| THREAD DIRECTION | RIGHT-HAND 1ST END RIGHT-HAND 2ND END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | INTEGRAL |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 55.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-01-020-4709
| 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: | 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 | ||
| 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 4820-01-020-4709
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 | 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 |